Class 9 Science Matter in Our Surroundings Important Questions and Answers
States of matter and change of state.
Practice questions aligned to NCERT topics used in CBSE classrooms. These are original exam-oriented questions for revision — not official CBSE board papers and not a guarantee of any exam question. Always match the textbook issued by your school and the latest PDFs on ncert.nic.in and cbseacademic.nic.in.
Answers opened: 0
1. Chapter introduction
Matter in Our Surroundings is Chapter 1 in Class 9 Science (NCERT Science (rationalised)). Read the textbook first, then use the 100 questions below as revision — not as a substitute for NCERT examples.
2. Chapter summary
States of matter and change of state.
3. Important concepts
Matter in Our Surroundings. Matter has mass and occupies space.
Matter in Our Surroundings. Solid, liquid, gas differ in particle arrangement.
Matter in Our Surroundings. Latent heat.
Matter in Our Surroundings. Evaporation causes cooling.
Matter in Our Surroundings. SI unit of temperature is kelvin; 0°C = 273 K.
Matter in Our Surroundings. Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science.
Textbook first. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions.
Keywords. Every chapter ends with keywords or a summary that is useful for one-mark answers.
Examples. CBSE often tests a concept by asking a daily-life example from the same chapter.
Diagrams. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures.
Revision. Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start.
Accuracy. Use the terms used in the NCERT book; do not replace them with unofficial names.
Practice. Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings.
Choose the correct statement related to Matter in Our Surroundings in the chapter Matter in Our Surroundings.
A. Latent heat
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science
D. Matter has mass and occupies space
Answer
D. Matter has mass and occupies space
Explanation
Matter has mass and occupies space. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Matter in Our Surroundings in the chapter Matter in Our Surroundings.
A. Solid, liquid, gas differ in particle arrangement
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Evaporation causes cooling
Answer
A. Solid, liquid, gas differ in particle arrangement
Explanation
Solid, liquid, gas differ in particle arrangement. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Matter in Our Surroundings in the chapter Matter in Our Surroundings.
A. Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start
B. SI unit of temperature is kelvin; 0°C = 273 K
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Latent heat
Answer
D. Latent heat
Explanation
Latent heat. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Matter in Our Surroundings in the chapter Matter in Our Surroundings.
A. Evaporation causes cooling
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
A. Evaporation causes cooling
Explanation
Evaporation causes cooling. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Matter in Our Surroundings in the chapter Matter in Our Surroundings.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. SI unit of temperature is kelvin; 0°C = 273 K
C. Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
B. SI unit of temperature is kelvin; 0°C = 273 K
Explanation
SI unit of temperature is kelvin; 0°C = 273 K. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 markEasy
Choose the correct statement related to Matter in Our Surroundings in the chapter Matter in Our Surroundings.
A. Evaporation causes cooling
B. Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science
Answer
D. Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science
Explanation
Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q7MCQ1 markEasy
Choose the correct statement related to Textbook first in the chapter Matter in Our Surroundings.
A. The textbook says the opposite of this statement
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
D. Use the terms used in the NCERT book; do not replace them with unofficial names
Answer
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
Explanation
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q8MCQ1 markEasy
Choose the correct statement related to Keywords in the chapter Matter in Our Surroundings.
A. This happens only in a laboratory and never in daily life
B. Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Explanation
Every chapter ends with keywords or a summary that is useful for one-mark answers. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Matter in Our Surroundings.
A. This idea is not part of the NCERT chapter
B. Matter has mass and occupies space
C. Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q10MCQ1 markModerate
Choose the correct statement related to Diagrams in the chapter Matter in Our Surroundings.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. The textbook says the opposite of this statement
C. Solid, liquid, gas differ in particle arrangement
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Explanation
If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q11MCQ1 markEasy
Choose the correct statement related to Revision in the chapter Matter in Our Surroundings.
A. Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start
B. Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings
C. Latent heat
D. This happens only in a laboratory and never in daily life
Answer
A. Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start
Explanation
Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q12MCQ1 markEasy
Choose the correct statement related to Accuracy in the chapter Matter in Our Surroundings.
A. Matter has mass and occupies space
B. This idea is not part of the NCERT chapter
C. Use the terms used in the NCERT book; do not replace them with unofficial names
D. Evaporation causes cooling
Answer
C. Use the terms used in the NCERT book; do not replace them with unofficial names
Explanation
Use the terms used in the NCERT book; do not replace them with unofficial names. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Matter in Our Surroundings.
A. SI unit of temperature is kelvin; 0°C = 273 K
B. The textbook says the opposite of this statement
C. Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings
D. Solid, liquid, gas differ in particle arrangement
Answer
C. Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q14MCQ1 markEasy
Choose the correct statement related to Matter in Our Surroundings in the chapter Matter in Our Surroundings.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. This happens only in a laboratory and never in daily life
C. Matter has mass and occupies space
D. Evaporation causes cooling
Answer
C. Matter has mass and occupies space
Explanation
Matter has mass and occupies space. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q15MCQ1 markModerate
Choose the correct statement related to Matter in Our Surroundings in the chapter Matter in Our Surroundings.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. SI unit of temperature is kelvin; 0°C = 273 K
C. Matter has mass and occupies space
D. Solid, liquid, gas differ in particle arrangement
Answer
D. Solid, liquid, gas differ in particle arrangement
Explanation
Solid, liquid, gas differ in particle arrangement. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q16MCQ1 markEasy
Choose the correct statement related to Matter in Our Surroundings in the chapter Matter in Our Surroundings.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Solid, liquid, gas differ in particle arrangement
C. Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science
D. Latent heat
Answer
D. Latent heat
Explanation
Latent heat. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Matter in Our Surroundings in the chapter Matter in Our Surroundings.
A. Evaporation causes cooling
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Latent heat
Answer
A. Evaporation causes cooling
Explanation
Evaporation causes cooling. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q18MCQ1 markEasy
Choose the correct statement related to Matter in Our Surroundings in the chapter Matter in Our Surroundings.
A. Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start
B. Evaporation causes cooling
C. SI unit of temperature is kelvin; 0°C = 273 K
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
C. SI unit of temperature is kelvin; 0°C = 273 K
Explanation
SI unit of temperature is kelvin; 0°C = 273 K. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q19MCQ1 markEasy
Choose the correct statement related to Matter in Our Surroundings in the chapter Matter in Our Surroundings.
A. Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science
B. Solid, liquid, gas differ in particle arrangement
C. SI unit of temperature is kelvin; 0°C = 273 K
D. This topic is only for college
Answer
A. Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science
Explanation
Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q20MCQ1 markModerate
Choose the correct statement related to Textbook first in the chapter Matter in Our Surroundings.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings
Answer
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
Explanation
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q211 Mark1 markEasy
Define or state: Keywords.
Answer
Every chapter ends with keywords or a summary that is useful for one-mark answers.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q221 Mark1 markEasy
Define or state: Examples.
Answer
CBSE often tests a concept by asking a daily-life example from the same chapter.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q231 Mark1 markEasy
Define or state: Diagrams.
Answer
If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q241 Mark1 markEasy
Define or state: Revision.
Answer
Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q251 Mark1 markModerate
Define or state: Accuracy.
Answer
Use the terms used in the NCERT book; do not replace them with unofficial names.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q261 Mark1 markEasy
Define or state: Practice.
Answer
Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q271 Mark1 markEasy
Define or state: Matter in Our Surroundings.
Answer
Matter has mass and occupies space.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q281 Mark1 markEasy
Define or state: Matter in Our Surroundings.
Answer
Solid, liquid, gas differ in particle arrangement.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q291 Mark1 markEasy
Define or state: Matter in Our Surroundings.
Answer
Latent heat.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q301 Mark1 markModerate
Define or state: Matter in Our Surroundings.
Answer
Evaporation causes cooling.
Explanation
A one-mark answer should use the textbook term and one clear fact — not a long paragraph.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q312 Mark2 marksModerate
Give two points to explain Matter in Our Surroundings as used in Matter in Our Surroundings.
Answer
1. SI unit of temperature is kelvin; 0°C = 273 K.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q322 Mark2 marksDifficult
Give two points to explain Matter in Our Surroundings as used in Matter in Our Surroundings.
Answer
1. Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q332 Mark2 marksModerate
Give two points to explain Textbook first as used in Matter in Our Surroundings.
Answer
1. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q342 Mark2 marksModerate
Give two points to explain Keywords as used in Matter in Our Surroundings.
Answer
1. Every chapter ends with keywords or a summary that is useful for one-mark answers.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q352 Mark2 marksModerate
Give two points to explain Examples as used in Matter in Our Surroundings.
Answer
1. CBSE often tests a concept by asking a daily-life example from the same chapter.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q362 Mark2 marksDifficult
Give two points to explain Diagrams as used in Matter in Our Surroundings.
Answer
1. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q372 Mark2 marksModerate
Give two points to explain Revision as used in Matter in Our Surroundings.
Answer
1. Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q382 Mark2 marksModerate
Give two points to explain Accuracy as used in Matter in Our Surroundings.
Answer
1. Use the terms used in the NCERT book; do not replace them with unofficial names.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q392 Mark2 marksModerate
Give two points to explain Practice as used in Matter in Our Surroundings.
Answer
1. Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q402 Mark2 marksDifficult
Give two points to explain Matter in Our Surroundings as used in Matter in Our Surroundings.
Answer
1. Matter has mass and occupies space.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Explanation
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Matter in Our Surroundings in about three points, with one example.
Answer
Solid, liquid, gas differ in particle arrangement. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q423 Mark3 marksModerate
Explain Matter in Our Surroundings in about three points, with one example.
Answer
Latent heat. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q433 Mark3 marksModerate
Explain Matter in Our Surroundings in about three points, with one example.
Answer
Evaporation causes cooling. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q443 Mark3 marksDifficult
Explain Matter in Our Surroundings in about three points, with one example.
Answer
SI unit of temperature is kelvin; 0°C = 273 K. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q453 Mark3 marksModerateRevision pick
Explain Matter in Our Surroundings in about three points, with one example.
Answer
Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q463 Mark3 marksModerate
Explain Textbook first in about three points, with one example.
Answer
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q473 Mark3 marksModerate
Explain Keywords in about three points, with one example.
Answer
Every chapter ends with keywords or a summary that is useful for one-mark answers. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q483 Mark3 marksDifficult
Explain Examples in about three points, with one example.
Answer
CBSE often tests a concept by asking a daily-life example from the same chapter. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q494 Mark4 marksModerate
Write a long answer on Diagrams. Include definition, explanation and one application.
Answer
Diagrams — If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Explanation
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q504 Mark4 marksModerate
Write a long answer on Revision. Include definition, explanation and one application.
Answer
Revision — Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Explanation
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q514 Mark4 marksModerate
Write a long answer on Accuracy. Include definition, explanation and one application.
Answer
Accuracy — Use the terms used in the NCERT book; do not replace them with unofficial names. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Explanation
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q524 Mark4 marksDifficult
Write a long answer on Practice. Include definition, explanation and one application.
Answer
Practice — Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Explanation
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q534 Mark4 marksModerate
Write a long answer on Matter in Our Surroundings. Include definition, explanation and one application.
Answer
Matter in Our Surroundings — Matter has mass and occupies space. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Explanation
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q544 Mark4 marksModerate
Write a long answer on Matter in Our Surroundings. Include definition, explanation and one application.
Answer
Matter in Our Surroundings — Solid, liquid, gas differ in particle arrangement. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Explanation
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q555 Mark5 marksModerate
Write a long answer on Matter in Our Surroundings. Include definition, explanation and one application.
Answer
Matter in Our Surroundings — Latent heat. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Explanation
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q565 Mark5 marksModerate
Write a long answer on Matter in Our Surroundings. Include definition, explanation and one application.
Answer
Matter in Our Surroundings — Evaporation causes cooling. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Explanation
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q575 Mark5 marksDifficultRevision pick
Write a long answer on Matter in Our Surroundings. Include definition, explanation and one application.
Answer
Matter in Our Surroundings — SI unit of temperature is kelvin; 0°C = 273 K. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Explanation
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q585 Mark5 marksModerate
Write a long answer on Matter in Our Surroundings. Include definition, explanation and one application.
Answer
Matter in Our Surroundings — Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Explanation
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q595 Mark5 marksModerate
Write a long answer on Textbook first. Include definition, explanation and one application.
Answer
Textbook first — Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Explanation
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q605 Mark5 marksDifficult
Write a long answer on Keywords. Include definition, explanation and one application.
Answer
Keywords — Every chapter ends with keywords or a summary that is useful for one-mark answers. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Explanation
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q61Assertion and Reason1 markModerate
Assertion (A): CBSE often tests a concept by asking a daily-life example from the same chapter.
Reason (R): Examples is a key idea in the chapter Matter in Our Surroundings.
Choose the correct option.
A. Both A and R are true, and R is the correct explanation of A.
B. Both A and R are true, and R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Answer
A. Both A and R are true, and R is the correct explanation of A.
Explanation
Read Assertion and Reason separately first. Here both match the textbook idea, and R explains why A is taught in this chapter.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q62Assertion and Reason1 markModerate
Assertion (A): If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures.
Reason (R): Diagrams is a key idea in the chapter Matter in Our Surroundings.
Choose the correct option.
A. Both A and R are true, and R is the correct explanation of A.
B. Both A and R are true, and R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Answer
A. Both A and R are true, and R is the correct explanation of A.
Explanation
Read Assertion and Reason separately first. Here both match the textbook idea, and R explains why A is taught in this chapter.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q63Assertion and Reason1 markModerate
Assertion (A): Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start.
Reason (R): Revision is a key idea in the chapter Matter in Our Surroundings.
Choose the correct option.
A. Both A and R are true, and R is the correct explanation of A.
B. Both A and R are true, and R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Answer
A. Both A and R are true, and R is the correct explanation of A.
Explanation
Read Assertion and Reason separately first. Here both match the textbook idea, and R explains why A is taught in this chapter.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q64Assertion and Reason1 markDifficult
Assertion (A): Use the terms used in the NCERT book; do not replace them with unofficial names.
Reason (R): Accuracy is a key idea in the chapter Matter in Our Surroundings.
Choose the correct option.
A. Both A and R are true, and R is the correct explanation of A.
B. Both A and R are true, and R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Answer
A. Both A and R are true, and R is the correct explanation of A.
Explanation
Read Assertion and Reason separately first. Here both match the textbook idea, and R explains why A is taught in this chapter.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q65Assertion and Reason1 markModerate
Assertion (A): Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings.
Reason (R): Practice is a key idea in the chapter Matter in Our Surroundings.
Choose the correct option.
A. Both A and R are true, and R is the correct explanation of A.
B. Both A and R are true, and R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Answer
A. Both A and R are true, and R is the correct explanation of A.
Explanation
Read Assertion and Reason separately first. Here both match the textbook idea, and R explains why A is taught in this chapter.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q66Assertion and Reason1 markModerate
Assertion (A): Matter has mass and occupies space.
Reason (R): Matter in Our Surroundings is a key idea in the chapter Matter in Our Surroundings.
Choose the correct option.
A. Both A and R are true, and R is the correct explanation of A.
B. Both A and R are true, and R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Answer
A. Both A and R are true, and R is the correct explanation of A.
Explanation
Read Assertion and Reason separately first. Here both match the textbook idea, and R explains why A is taught in this chapter.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q67Assertion and Reason1 markModerate
Assertion (A): Solid, liquid, gas differ in particle arrangement.
Reason (R): Matter in Our Surroundings is a key idea in the chapter Matter in Our Surroundings.
Choose the correct option.
A. Both A and R are true, and R is the correct explanation of A.
B. Both A and R are true, and R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Answer
A. Both A and R are true, and R is the correct explanation of A.
Explanation
Read Assertion and Reason separately first. Here both match the textbook idea, and R explains why A is taught in this chapter.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q68Assertion and Reason1 markDifficult
Assertion (A): Latent heat.
Reason (R): Matter in Our Surroundings is a key idea in the chapter Matter in Our Surroundings.
Choose the correct option.
A. Both A and R are true, and R is the correct explanation of A.
B. Both A and R are true, and R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Answer
A. Both A and R are true, and R is the correct explanation of A.
Explanation
Read Assertion and Reason separately first. Here both match the textbook idea, and R explains why A is taught in this chapter.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q69Case Based4 marksModerateRevision pick
A student is revising Matter in Our Surroundings and notes: “Evaporation causes cooling.” Using this case, answer: (i) Name the idea. (ii) State it in your own words. (iii) Give one classroom or daily-life use.
Answer
(i) Matter in Our Surroundings.
(ii) Evaporation causes cooling.
(iii) Apply it in a school experiment, a labelled diagram, or a situation described in the NCERT chapter.
Explanation
Case-based items recycle a short story. Pull the fact out first, then apply it. This is original practice in CBSE case style — not a copied board paper.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q70Case Based4 marksModerate
A student is revising Matter in Our Surroundings and notes: “SI unit of temperature is kelvin; 0°C = 273 K.” Using this case, answer: (i) Name the idea. (ii) State it in your own words. (iii) Give one classroom or daily-life use.
Answer
(i) Matter in Our Surroundings.
(ii) SI unit of temperature is kelvin; 0°C = 273 K.
(iii) Apply it in a school experiment, a labelled diagram, or a situation described in the NCERT chapter.
Explanation
Case-based items recycle a short story. Pull the fact out first, then apply it. This is original practice in CBSE case style — not a copied board paper.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q71Case Based4 marksModerate
A student is revising Matter in Our Surroundings and notes: “Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science.” Using this case, answer: (i) Name the idea. (ii) State it in your own words. (iii) Give one classroom or daily-life use.
Answer
(i) Matter in Our Surroundings.
(ii) Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science.
(iii) Apply it in a school experiment, a labelled diagram, or a situation described in the NCERT chapter.
Explanation
Case-based items recycle a short story. Pull the fact out first, then apply it. This is original practice in CBSE case style — not a copied board paper.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q72Case Based4 marksDifficult
A student is revising Matter in Our Surroundings and notes: “Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions.” Using this case, answer: (i) Name the idea. (ii) State it in your own words. (iii) Give one classroom or daily-life use.
Answer
(i) Textbook first.
(ii) Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions.
(iii) Apply it in a school experiment, a labelled diagram, or a situation described in the NCERT chapter.
Explanation
Case-based items recycle a short story. Pull the fact out first, then apply it. This is original practice in CBSE case style — not a copied board paper.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q73Case Based4 marksModerateRevision pick
A student is revising Matter in Our Surroundings and notes: “Every chapter ends with keywords or a summary that is useful for one-mark answers.” Using this case, answer: (i) Name the idea. (ii) State it in your own words. (iii) Give one classroom or daily-life use.
Answer
(i) Keywords.
(ii) Every chapter ends with keywords or a summary that is useful for one-mark answers.
(iii) Apply it in a school experiment, a labelled diagram, or a situation described in the NCERT chapter.
Explanation
Case-based items recycle a short story. Pull the fact out first, then apply it. This is original practice in CBSE case style — not a copied board paper.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q74Case Based4 marksModerate
A student is revising Matter in Our Surroundings and notes: “CBSE often tests a concept by asking a daily-life example from the same chapter.” Using this case, answer: (i) Name the idea. (ii) State it in your own words. (iii) Give one classroom or daily-life use.
Answer
(i) Examples.
(ii) CBSE often tests a concept by asking a daily-life example from the same chapter.
(iii) Apply it in a school experiment, a labelled diagram, or a situation described in the NCERT chapter.
Explanation
Case-based items recycle a short story. Pull the fact out first, then apply it. This is original practice in CBSE case style — not a copied board paper.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q75Case Based4 marksModerate
A student is revising Matter in Our Surroundings and notes: “If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures.” Using this case, answer: (i) Name the idea. (ii) State it in your own words. (iii) Give one classroom or daily-life use.
Answer
(i) Diagrams.
(ii) If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures.
(iii) Apply it in a school experiment, a labelled diagram, or a situation described in the NCERT chapter.
Explanation
Case-based items recycle a short story. Pull the fact out first, then apply it. This is original practice in CBSE case style — not a copied board paper.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q76Case Based4 marksDifficult
A student is revising Matter in Our Surroundings and notes: “Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start.” Using this case, answer: (i) Name the idea. (ii) State it in your own words. (iii) Give one classroom or daily-life use.
Answer
(i) Revision.
(ii) Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start.
(iii) Apply it in a school experiment, a labelled diagram, or a situation described in the NCERT chapter.
Explanation
Case-based items recycle a short story. Pull the fact out first, then apply it. This is original practice in CBSE case style — not a copied board paper.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q77Competency Based3 marksModerateRevision pick
Competency practice: A classmate can recall the heading Accuracy but cannot explain it. How will you teach it in two steps using the textbook idea?
Answer
Step 1: State the fact — Use the terms used in the NCERT book; do not replace them with unofficial names. Step 2: Show one example or diagram from the chapter and ask the classmate to repeat it in their own words.
Explanation
Competency-based items check whether you can use a concept, not only name it. Teach-back is a simple way to prove understanding.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q78Competency Based3 marksDifficult
Competency practice: A classmate can recall the heading Practice but cannot explain it. How will you teach it in two steps using the textbook idea?
Answer
Step 1: State the fact — Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings. Step 2: Show one example or diagram from the chapter and ask the classmate to repeat it in their own words.
Explanation
Competency-based items check whether you can use a concept, not only name it. Teach-back is a simple way to prove understanding.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q79Competency Based3 marksModerate
Competency practice: A classmate can recall the heading Matter in Our Surroundings but cannot explain it. How will you teach it in two steps using the textbook idea?
Answer
Step 1: State the fact — Matter has mass and occupies space. Step 2: Show one example or diagram from the chapter and ask the classmate to repeat it in their own words.
Explanation
Competency-based items check whether you can use a concept, not only name it. Teach-back is a simple way to prove understanding.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q80Competency Based3 marksModerate
Competency practice: A classmate can recall the heading Matter in Our Surroundings but cannot explain it. How will you teach it in two steps using the textbook idea?
Answer
Step 1: State the fact — Solid, liquid, gas differ in particle arrangement. Step 2: Show one example or diagram from the chapter and ask the classmate to repeat it in their own words.
Explanation
Competency-based items check whether you can use a concept, not only name it. Teach-back is a simple way to prove understanding.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q81Competency Based3 marksDifficultRevision pick
Competency practice: A classmate can recall the heading Matter in Our Surroundings but cannot explain it. How will you teach it in two steps using the textbook idea?
Answer
Step 1: State the fact — Latent heat. Step 2: Show one example or diagram from the chapter and ask the classmate to repeat it in their own words.
Explanation
Competency-based items check whether you can use a concept, not only name it. Teach-back is a simple way to prove understanding.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q82Competency Based3 marksModerate
Competency practice: A classmate can recall the heading Matter in Our Surroundings but cannot explain it. How will you teach it in two steps using the textbook idea?
Answer
Step 1: State the fact — Evaporation causes cooling. Step 2: Show one example or diagram from the chapter and ask the classmate to repeat it in their own words.
Explanation
Competency-based items check whether you can use a concept, not only name it. Teach-back is a simple way to prove understanding.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q83Competency Based3 marksModerate
Competency practice: A classmate can recall the heading Matter in Our Surroundings but cannot explain it. How will you teach it in two steps using the textbook idea?
Answer
Step 1: State the fact — SI unit of temperature is kelvin; 0°C = 273 K. Step 2: Show one example or diagram from the chapter and ask the classmate to repeat it in their own words.
Explanation
Competency-based items check whether you can use a concept, not only name it. Teach-back is a simple way to prove understanding.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q84Competency Based3 marksDifficult
Competency practice: A classmate can recall the heading Matter in Our Surroundings but cannot explain it. How will you teach it in two steps using the textbook idea?
Answer
Step 1: State the fact — Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science. Step 2: Show one example or diagram from the chapter and ask the classmate to repeat it in their own words.
Explanation
Competency-based items check whether you can use a concept, not only name it. Teach-back is a simple way to prove understanding.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q85Application Based3 marksModerate
Apply the idea of Textbook first to a real situation you might meet in school or daily life.
Answer
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Use this fact to explain a real object, habit, experiment or measurement from the chapter.
Explanation
Application questions reward a specific situation. Name the place (kitchen, playground, lab) and connect it to the fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q86Application Based3 marksModerate
Apply the idea of Keywords to a real situation you might meet in school or daily life.
Answer
Every chapter ends with keywords or a summary that is useful for one-mark answers. Use this fact to explain a real object, habit, experiment or measurement from the chapter.
Explanation
Application questions reward a specific situation. Name the place (kitchen, playground, lab) and connect it to the fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q87Application Based3 marksModerate
Apply the idea of Examples to a real situation you might meet in school or daily life.
Answer
CBSE often tests a concept by asking a daily-life example from the same chapter. Use this fact to explain a real object, habit, experiment or measurement from the chapter.
Explanation
Application questions reward a specific situation. Name the place (kitchen, playground, lab) and connect it to the fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q88Application Based3 marksDifficult
Apply the idea of Diagrams to a real situation you might meet in school or daily life.
Answer
If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures. Use this fact to explain a real object, habit, experiment or measurement from the chapter.
Explanation
Application questions reward a specific situation. Name the place (kitchen, playground, lab) and connect it to the fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q89Application Based3 marksModerate
Apply the idea of Revision to a real situation you might meet in school or daily life.
Answer
Write three points from Matter in Our Surroundings in your own words; that is enough for a short-answer start. Use this fact to explain a real object, habit, experiment or measurement from the chapter.
Explanation
Application questions reward a specific situation. Name the place (kitchen, playground, lab) and connect it to the fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q90Application Based3 marksModerate
Apply the idea of Accuracy to a real situation you might meet in school or daily life.
Answer
Use the terms used in the NCERT book; do not replace them with unofficial names. Use this fact to explain a real object, habit, experiment or measurement from the chapter.
Explanation
Application questions reward a specific situation. Name the place (kitchen, playground, lab) and connect it to the fact.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings”, what mistake could they make while solving a question from Matter in Our Surroundings?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Matter in Our Surroundings. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “Matter has mass and occupies space”, what mistake could they make while solving a question from Matter in Our Surroundings?
Answer
They would use the wrong term or the reverse relation. Remember: Matter has mass and occupies space. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Solid, liquid, gas differ in particle arrangement”, what mistake could they make while solving a question from Matter in Our Surroundings?
Answer
They would use the wrong term or the reverse relation. Remember: Solid, liquid, gas differ in particle arrangement. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “Latent heat”, what mistake could they make while solving a question from Matter in Our Surroundings?
Answer
They would use the wrong term or the reverse relation. Remember: Latent heat. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Evaporation causes cooling”, what mistake could they make while solving a question from Matter in Our Surroundings?
Answer
They would use the wrong term or the reverse relation. Remember: Evaporation causes cooling. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “SI unit of temperature is kelvin; 0°C = 273 K”, what mistake could they make while solving a question from Matter in Our Surroundings?
Answer
They would use the wrong term or the reverse relation. Remember: SI unit of temperature is kelvin; 0°C = 273 K. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q97NCERT-style2 marksModerate
NCERT-style exercise: In your own words, write what the chapter teaches about Matter in Our Surroundings.
Answer
Matter in Our Surroundings is an NCERT chapter taught in CBSE Class 9 Science. Keep the answer as short as the in-text questions in the textbook.
Explanation
This is original practice in the style of NCERT in-text/exercise questions. It is not copied from any solutions website.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q98NCERT-style2 marksModerate
NCERT-style exercise: In your own words, write what the chapter teaches about Textbook first.
Answer
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Keep the answer as short as the in-text questions in the textbook.
Explanation
This is original practice in the style of NCERT in-text/exercise questions. It is not copied from any solutions website.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q99NCERT-style2 marksModerate
NCERT-style exercise: In your own words, write what the chapter teaches about Keywords.
Answer
Every chapter ends with keywords or a summary that is useful for one-mark answers. Keep the answer as short as the in-text questions in the textbook.
Explanation
This is original practice in the style of NCERT in-text/exercise questions. It is not copied from any solutions website.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q100NCERT-style2 marksDifficult
NCERT-style exercise: In your own words, write what the chapter teaches about Examples.
Answer
CBSE often tests a concept by asking a daily-life example from the same chapter. Keep the answer as short as the in-text questions in the textbook.
Explanation
This is original practice in the style of NCERT in-text/exercise questions. It is not copied from any solutions website.
Meta
Class: Class 9 · Subject: Science · Chapter: Matter in Our Surroundings · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
22. Quick revision
Close the answers. Recite three concepts from the list. Then retry ten MCQs and one long answer. That loop is enough for a school test night.
FAQs
Are these official CBSE board questions?
No. They are original practice questions aligned to NCERT topics used in CBSE classrooms. Official sample papers are published on cbseacademic.nic.in.
Will these questions appear in the board exam?
Nobody can promise a question. Use them for revision of frequently tested concepts and exam-style practice.
Is the chapter list the latest NCERT list?
Yes, the catalog follows current NCERT textbooks used in CBSE schools (including new middle-stage books such as Ganita Prakash and Curiosity). Always match the book issued by your school.
How should I use the 100 questions?
Try the question first, then tap Show answer. Mix MCQs with long answers. Revise formulas and diagrams from the textbook alongside this set.
Where are NCERT solutions?
Open the NCERT-style practice link on this subject or chapter. For word-for-word textbook exercise answers, use the NCERT book itself; we do not copy solution keys from other websites.
What is the suggested URL pattern?
Hub /cbse/, then /cbse/class-9/, then subject and chapter slugs.
