Question and answer list
Each item is a 4-option MCQ. Open a question, tap A–D. Green is correct, red is wrong. Original US classroom practice — not a state test copy.
1. Grade 8 science — earth systems: practice check 66 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
2. Grade 8 science — earth systems: practice check 67 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
3. Grade 8 science — earth systems: practice check 68 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
4. Grade 8 science — earth systems: practice check 69 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
5. Grade 8 science — earth systems: practice check 70 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
6. Grade 8 science — earth systems: practice check 71 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
7. Grade 8 science — earth systems: practice check 72 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
8. Grade 8 science — earth systems: practice check 73 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
9. Grade 8 science — earth systems: practice check 74 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
10. Grade 8 science — earth systems: practice check 75 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
11. Grade 8 science — earth systems: practice check 76 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
12. Grade 8 science — earth systems: practice check 77 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
13. Grade 8 science — earth systems: practice check 78 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
14. Grade 8 science — earth systems: practice check 79 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
15. Grade 8 science — earth systems: practice check 80 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
16. Grade 8 science — earth systems: practice check 81 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
17. Grade 8 science — earth systems: practice check 82 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
18. Grade 8 science — earth systems: practice check 83 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
19. Grade 8 science — earth systems: practice check 84 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
20. Grade 8 science — earth systems: practice check 85 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
21. Grade 8 science — earth systems: practice check 86 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
22. Grade 8 science — earth systems: practice check 87 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
23. Grade 8 science — earth systems: practice check 88 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
24. Grade 8 science — earth systems: practice check 89 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
25. Grade 8 science — earth systems: practice check 90 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
26. Grade 8 science — earth systems: practice check 91 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
27. Grade 8 science — earth systems: practice check 92 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
28. Plate tectonics explains
Tap A, B, C or D.
Answer: B) earthquakes, volcanoes, and mountain building
Earth’s crust is in moving plates.
29. The rock cycle includes
Tap A, B, C or D.
Answer: D) igneous, sedimentary, and metamorphic rocks
Heat, pressure, and weathering change rocks.
30. Igneous rocks form from
Tap A, B, C or D.
Answer: C) cooled magma or lava
Granite and basalt are igneous.
31. A fossil is most often found in
Tap A, B, C or D.
Answer: D) sedimentary rock
Layers can bury remains.
32. The water cycle includes
Tap A, B, C or D.
Answer: C) evaporation, condensation, and precipitation
The Sun drives evaporation.
33. Weather is
Tap A, B, C or D.
Answer: D) the short-term condition of the atmosphere
Climate is the long-term pattern.
34. The greenhouse effect
Tap A, B, C or D.
Answer: A) traps heat in Earth’s atmosphere
Gases like CO₂ absorb outgoing heat.
35. A transform boundary is where plates
Tap A, B, C or D.
Answer: B) slide past each other
The San Andreas Fault is a famous example.
36. Grade 8 science — earth systems: practice check 1 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
37. Grade 8 science — earth systems: practice check 2 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
38. Grade 8 science — genetics: practice check 92 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
39. Genes are made of
Tap A, B, C or D.
Answer: A) DNA
DNA carries hereditary information.
40. A trait is
Tap A, B, C or D.
Answer: B) a characteristic that can be inherited
Eye color is a classic example.
41. Alleles are
Tap A, B, C or D.
Answer: C) different versions of a gene
You inherit alleles from each parent.
42. In a Punnett square, a capital letter often means
Tap A, B, C or D.
Answer: C) a dominant allele
Dominant traits can show with one copy.
43. A recessive trait shows when
Tap A, B, C or D.
Answer: B) both alleles are recessive
Two lowercase letters, like aa.
44. Genotype is the
Tap A, B, C or D.
Answer: D) allele combination
Phenotype is what you see.
45. Humans typically have how many chromosomes in most body cells?
Tap A, B, C or D.
Answer: A) 46
Gametes have 23.
46. Mitosis produces
Tap A, B, C or D.
Answer: A) two identical body cells
Meiosis makes sex cells.
47. Grade 8 science — genetics: practice check 1 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
48. Grade 8 science — genetics: practice check 2 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
49. Grade 8 science — genetics: practice check 3 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
50. Grade 8 science — genetics: practice check 4 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
51. Grade 8 science — genetics: practice check 5 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
52. Grade 8 science — genetics: practice check 6 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
53. Grade 8 science — genetics: practice check 7 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
54. Grade 8 science — genetics: practice check 8 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
55. Grade 8 science — genetics: practice check 9 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
56. Grade 8 science — genetics: practice check 10 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
57. Grade 8 science — genetics: practice check 11 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
58. Grade 8 science — genetics: practice check 12 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
59. Grade 8 science — genetics: practice check 13 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
60. Grade 8 science — genetics: practice check 14 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
61. Grade 8 science — genetics: practice check 15 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
62. Grade 8 science — genetics: practice check 16 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
63. Grade 8 science — genetics: practice check 17 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
64. Grade 8 science — genetics: practice check 18 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
65. Grade 8 science — genetics: practice check 19 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
66. Grade 8 science — genetics: practice check 20 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
67. Grade 8 science — genetics: practice check 21 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
68. Grade 8 science — genetics: practice check 22 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
69. Grade 8 science — genetics: practice check 23 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
70. Grade 8 science — genetics: practice check 24 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
71. Grade 8 science — genetics: practice check 25 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
72. Grade 8 science — genetics: practice check 26 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
73. Grade 8 science — genetics: practice check 27 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
74. Grade 8 science — genetics: practice check 28 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
75. Grade 8 science — genetics: practice check 29 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
76. Grade 8 science — genetics: practice check 30 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
77. Grade 8 science — genetics: practice check 31 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
78. Grade 8 science — genetics: practice check 32 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
79. Grade 8 science — genetics: practice check 33 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
80. Grade 8 science — genetics: practice check 34 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
81. Grade 8 science — genetics: practice check 35 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
82. Grade 8 science — genetics: practice check 36 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
83. Grade 8 science — genetics: practice check 37 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
84. Grade 8 science — genetics: practice check 38 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
85. Grade 8 science — genetics: practice check 39 — the reliable next step is
Tap A, B, C or D.
Answer: A) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
86. Grade 8 science — genetics: practice check 40 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
87. Grade 8 science — genetics: practice check 41 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
88. Grade 8 science — genetics: practice check 42 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
89. Grade 8 science — genetics: practice check 43 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
90. Grade 8 science — genetics: practice check 44 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
91. Grade 8 science — genetics: practice check 45 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
92. Grade 8 science — genetics: practice check 46 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
93. Grade 8 science — genetics: practice check 47 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
94. Grade 8 science — genetics: practice check 48 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
95. Grade 8 science — genetics: practice check 49 — the reliable next step is
Tap A, B, C or D.
Answer: B) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
96. Grade 8 science — genetics: practice check 50 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
97. Grade 8 science — genetics: practice check 51 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
98. Grade 8 science — genetics: practice check 52 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
99. Grade 8 science — genetics: practice check 53 — the reliable next step is
Tap A, B, C or D.
Answer: D) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
100. Grade 8 science — genetics: practice check 54 — the reliable next step is
Tap A, B, C or D.
Answer: C) try the item, then read the tip
Original GKSchools practice — not a state exam leak. Come back tomorrow; order rotates.
