80 Seventh Grade Trivia Questions & Answers That Make You Think

Seventh-grade trivia gets much better when the questions reward connections, not just whoever can recall the fastest fact.

These 80 questions mix math, science, history, geography, language, and media literacy, with a final reasoning round that is meant to be worked out.

Ratios, Percents, and Rational Numbers

1. 35% of 240?
   Answer: 84.
2. A $60 jacket is 25% off. Sale price before tax?
   Answer: $45.
3. 20% tip on $40?
   Answer: $8.
4. −6 + 14?
   Answer: 8.
5. −4 × −7?
   Answer: 28.
6. ⅗ ÷ 9/10?
   Answer: ⅔.
7. Four notebooks cost $10. Ten at the same rate?
   Answer: $25.
8. 1 inch represents 12 miles. 3.5 inches?
   Answer: 42 miles.
9. 1.2 × 0.5?
   Answer: 0.6.
10. Which is greater, −0.4 or −0.7?
    Answer: −0.4.

Expressions, Geometry, and Probability

11. Solve 3x + 5 = 26.
    Answer: x = 7.
12. Evaluate 2(a + 4) when a = 6.
    Answer: 20.
13. Circle radius 5 cm: diameter?
    Answer: 10 cm.
14. Using 3.14, circumference with diameter 10 cm?
    Answer: 31.4 cm.
15. Area of a circle with radius 3, in terms of pi?
    Answer: 9π square units.
16. Complement of 38°?
    Answer: 52°.
17. Bag: 3 red, 5 blue. Probability of red?
    Answer: ⅜.
18. Fair six-sided die: probability of even?
    Answer: ½.
19. Probability 0 means what in the model?
    Answer: Impossible.
20. Scale: 1 cm = 4 m. 7.5 cm?
    Answer: 30 m.

Cells, Heredity, and Ecosystems

21. Cell structure controlling what enters and leaves?
    Answer: Cell membrane.
22. Main photosynthesis organelle in plant cells?
    Answer: Chloroplast.
23. Organelle producing much usable energy in eukaryotic cells?
    Answer: Mitochondria.
24. Molecule carrying hereditary information in most organisms?
    Answer: DNA.
25. Different versions of one gene?
    Answer: Alleles.
26. Observable trait of an organism?
    Answer: Phenotype.
27. Relationship benefiting both species?
    Answer: Mutualism.
28. One organism benefits while its host is harmed?
    Answer: Parasitism.
29. Species’ role in an ecosystem?
    Answer: Ecological niche.
30. Maximum population an environment can sustain under given conditions?
    Answer: Carrying capacity.

Forces, Energy, and Earth Systems

31. SI unit of force?
    Answer: Newton.
32. Force opposing motion between contacting surfaces?
    Answer: Friction.
33. Net force when forces are balanced?
    Answer: Zero.
34. What simple machine is a ramp?
    Answer: Inclined plane.
35. Energy stored in a stretched rubber band?
    Answer: Elastic potential energy.
36. Thermal transfer through direct contact?
    Answer: Conduction.
37. Heat transfer by bulk movement in a fluid?
    Answer: Convection.
38. Heat transfer that can cross empty space?
    Answer: Radiation.
39. Greenhouse gas released in large quantities by fossil-fuel burning?
    Answer: Carbon dioxide.
40. Long-term average pattern of weather in a region?
    Answer: Climate.

History Through Sources and Context

41. Mesopotamian writing system on clay tablets?
    Answer: Cuneiform.
42. Civilization that built Machu Picchu?
    Answer: Inca.
43. 1215 English charter limiting royal power?
    Answer: Magna Carta.
44. 14th-century pandemic commonly called the Black Death?
    Answer: A plague pandemic.
45. European movement renewing classical learning, roughly 14th–17th centuries?
    Answer: Renaissance.
46. Gutenberg-associated invention expanding printing in 15th-century Europe?
    Answer: Movable-type printing press.
47. Forced transatlantic voyage endured by enslaved Africans?
    Answer: Middle Passage.
48. 1776 document announcing the colonies’ independence?
    Answer: Declaration of Independence.
49. 1787 document establishing the U.S. federal framework?
    Answer: U.S. Constitution.
50. Source produced during the period being studied?
    Answer: Primary source.

Geography and Human Systems

51. Zero degrees latitude?
    Answer: Equator.
52. Zero degrees longitude?
    Answer: Prime meridian.
53. Mountain range along much of western South America?
    Answer: Andes.
54. River with the greatest average discharge?
    Answer: Amazon River.
55. World’s largest hot desert?
    Answer: Sahara; Antarctica is largest overall.
56. Movement of people to another place to live?
    Answer: Migration.
57. People per unit of land area?
    Answer: Population density.
58. Growth of cities and urban population share?
    Answer: Urbanization.
59. Renewable resource: sunlight or coal?
    Answer: Sunlight.
60. Human-created border dividing political areas?
    Answer: Political boundary.

Language and Media Literacy

61. Central position a writer argues for?
    Answer: Claim or thesis.
62. Information supporting a claim?
    Answer: Evidence.
63. Explanation connecting evidence to a claim?
    Answer: Reasoning or analysis.
64. Claim challenging another claim?
    Answer: Counterclaim.
65. What can bias influence in a source?
    Answer: Its emphasis or presentation; bias does not automatically make every claim false.
66. Statement that can be checked against evidence?
    Answer: Factual claim.
67. Persuasion appealing to emotion?
    Answer: Emotional appeal, or pathos.
68. Later source analyzing primary sources?
    Answer: Secondary source.
69. Why check an online source’s publication date?
    Answer: To judge whether changeable information is current enough.
70. Quotation missing needed surrounding information?
    Answer: A quote taken out of context.

Reasoning Round

71. Price rises $50 to $60. Percent increase?
    Answer: 20%.
72. 8 servings use 6 cups. 12 servings?
    Answer: 9 cups.
73. Temperature rises from −5°C to 7°C. Change?
    Answer: 12°C.
74. 4 green + 6 yellow counters; add 2 green. Fraction green?
    Answer: ½.
75. Circle circumference 18π cm. Diameter?
    Answer: 18 cm.
76. 150 miles in 2.5 hours. Average rate?
    Answer: 60 mph.
77. Three consecutive integers total 36?
    Answer: 11, 12, 13.
78. Lunch survey asks only students bringing lunch from home. Problem?
    Answer: Sampling bias.
79. A value doubles from 2 to 4. What else helps judge importance?
    Answer: Context such as what is measured, time period, sample size, and practical significance.
80. Two sources disagree. Better next step than picking your favorite?
    Answer: Compare evidence, authorship, date, purpose, sourcing, and corroboration.

Make It Feel Like Trivia, Not Homework

Mix one calculation-heavy round with science, history, or language so the same skill does not dominate. For easier play, offer two choices; for a challenge, ask players to explain why an answer works.

References and Answer Notes

The math selection follows seventh-grade ratios, rational numbers, expressions, geometry, and probability concepts. The history questions avoid sweeping “discovery” claims, and the media round treats source evaluation as a process rather than a shortcut.

Please report a correction with the question number when wording needs attention.

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About this quiz

Site editor: Ellie Simons. Read our Trivia Methodology to learn how questions are researched and updated. Page last updated: September 18, 2026. Report an error.