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Class 7 Science Changes Around Us: Physical and Chemical Most Important Questions

Most Important Questions for Class 7 Science Changes Around Us: Physical and Chemical. Try first, then reveal the answer. These are exam-oriented practice items, not copied board papers.

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

Practice set

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Changes Around Us: Physical and Chemical in the chapter Changes Around Us: Physical and Chemical.

  • A. CBSE often tests a concept by asking a daily-life example from the same chapter
  • B. Melting ice is physical
  • C. Changes Around Us: Physical and Chemical is an NCERT chapter taught in CBSE Class 7 Science
  • D. A physical change does not make a new substance
Answer

D. A physical change does not make a new substance

Explanation

A physical change does not make a new substance. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Changes Around Us: Physical and Chemical in the chapter Changes Around Us: Physical and Chemical.

  • A. Mix MCQs with short answers so you remember both facts and explanations from Changes Around Us: Physical and Chemical
  • B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • C. Heat, light or gas can signal a chemical change
  • D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer

C. Heat, light or gas can signal a chemical change

Explanation

Heat, light or gas can signal a chemical change. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Changes Around Us: Physical and Chemical.

  • A. A physical change does not make a new substance
  • B. This idea is not part of the NCERT chapter
  • C. CBSE often tests a concept by asking a daily-life example from the same chapter
  • D. Write three points from Changes Around Us: Physical and Chemical in your own words; that is enough for a short-answer start
Answer

C. 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 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Changes Around Us: Physical and Chemical.

  • A. Heat, light or gas can signal a chemical change
  • B. The textbook says the opposite of this statement
  • C. Mix MCQs with short answers so you remember both facts and explanations from Changes Around Us: Physical and Chemical
  • D. A chemical change makes a new substance
Answer

C. Mix MCQs with short answers so you remember both facts and explanations from Changes Around Us: Physical and Chemical

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Changes Around Us: Physical and Chemical. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q17MCQ1 markEasyRevision pick

Choose the correct statement related to Changes Around Us: Physical and Chemical in the chapter Changes Around Us: Physical and Chemical.

  • A. Burning is chemical
  • 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. Melting ice is physical
Answer

A. Burning is chemical

Explanation

Burning is chemical. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q413 Mark3 marksModerateRevision pick

Explain Changes Around Us: Physical and Chemical in about three points, with one example.

Answer

A chemical change makes a new substance. 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 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q453 Mark3 marksModerateRevision pick

Explain Changes Around Us: Physical and Chemical in about three points, with one example.

Answer

Changes Around Us: Physical and Chemical is an NCERT chapter taught in CBSE Class 7 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 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q575 Mark5 marksDifficultRevision pick

Write a long answer on Changes Around Us: Physical and Chemical. Include definition, explanation and one application.

Answer

Changes Around Us: Physical and Chemical — Heat, light or gas can signal a chemical change. 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 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q69Case Based4 marksModerateRevision pick

A student is revising Changes Around Us: Physical and Chemical and notes: “Burning is chemical.” 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) Changes Around Us: Physical and Chemical.
(ii) Burning is chemical.
(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 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q73Case Based4 marksModerateRevision pick

A student is revising Changes Around Us: Physical and Chemical 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 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · 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 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q81Competency Based3 marksDifficultRevision pick

Competency practice: A classmate can recall the heading Changes Around Us: Physical and Chemical but cannot explain it. How will you teach it in two steps using the textbook idea?

Answer

Step 1: State the fact — Melting ice is physical. 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 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q93HOTS3 marksDifficultRevision pick

HOTS: If someone ignored the idea “A chemical change makes a new substance”, what mistake could they make while solving a question from Changes Around Us: Physical and Chemical?

Answer

They would use the wrong term or the reverse relation. Remember: A chemical change makes a new substance. 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 7 · Subject: Science · Chapter: Changes Around Us: Physical and Chemical · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

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-7/, then subject and chapter slugs.

Why is this a separate URL?

So students searching for “Most Important Questions” land on a filtered set, while the chapter page remains the full 100-question bank. Same facts, different search intent.

Today's 3-step path

Follow this loop every day: mixed test, current affairs, then today's subject. A new set arrives tomorrow.

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Next step

After this page, use these three links — do not open a random page.

24/7 Test Series

Timed papers with a scorecard — start any time, then return to a related quiz above.