These comprehensive science and nature quiz questions and answers cover everything from the inner workings of your body to the far reaches of the galaxy.
It’s divided into 5 themed rounds, so you can explore different areas of science. Whether you’re hosting a pub quiz or brushing up on trivia, there’s something for everyone.
Let’s begin!
Round 1: Human Body & Medicine
1. What’s the main function of red blood cells?
2. Which gas makes up most of Earth’s atmosphere?
3. Which part of the cell contains DNA?
4. What’s the powerhouse of the cell?
5. What is the largest organ in the human body?
6. What’s the longest bone in the human body?
7. What organ produces insulin?
8. How many bones are in the adult human body?
9. Which vitamin do we get from sunlight?
10. What is the main function of the large intestine?
11. Which part of the brain controls balance?
12. Which blood type is known as the universal donor?
13. Which part of the ear helps maintain balance?
14. Which bodily system controls hormones?
15. How many chambers does the human heart have?
Round 2: Biology & Life Sciences
16. What gas do plants absorb from the atmosphere?
17. What process do plants use to make food?
18. What part of the plant conducts photosynthesis?
19. What’s the main function of roots in a plant?
20. Which part of the flower becomes the fruit?
21. What do bees collect from flowers?
22. What’s the name for animals that eat only plants?
23. What’s the term for an animal that eats both plants and meat?
24. What type of animal is a Komodo dragon?
25. What kind of animal is the largest living creature on Earth?
26. Which mammal lays eggs?
27. How many legs does a spider have?
28. What’s the smallest unit of life?
29. What mineral is essential for healthy teeth and bones?
30. What branch of science classifies living things?
Round 3: Earth & Environment
31. What is the study of weather called?
32. What causes tides on Earth?
33. Which gas do humans need to breathe in to survive?
34. What’s the only rock that floats in water?
35. What device is used to measure atmospheric pressure?
36. What natural disaster is measured with a Richter scale?
37. Which ocean is the deepest on Earth?
38. What kind of tree produces acorns?
39. What part of the eye controls how much light enters?
40. What’s the scientific term for the windpipe?
41. Which blood cells help fight infections?
42. What is the human body’s primary source of energy?
43. What vitamin is important for blood clotting?
44. What is the freezing point of water in Celsius?
45. Which element has the atomic number 1?
Round 4: Chemistry & Physics
46. What is the chemical symbol for gold?
47. What type of energy does the sun produce?
48. What’s the process of liquid turning into gas called?
49. Which metal is most commonly used in electrical wiring?
50. What force keeps planets in orbit around the sun?
51. Which part of the nervous system controls involuntary actions?
52. What molecule carries genetic information?
53. What’s the hardest natural substance on Earth?
54. Which part of the brain handles memory?
55. What temperature does water boil at (in Celsius)?
56. Which planet is closest to the sun?
57. What’s the most abundant element in the universe?
58. Which gas is most common in Earth’s atmosphere?
59. What kind of celestial body is the sun?
60. What is hydrogen’s atomic number?
Round 5: Astronomy & Space
61. What planet is known as the Red Planet?
62. Which planet has a prominent ring system?
63. Which planet has the most moons?
64. Which planet has the highest mountain in the solar system?
65. Which planet is known for the Great Red Spot?
66. What instrument is used to look at stars and planets?
67. Which marine animals use echolocation?
68. What natural satellite orbits Earth?
69. What do you call a scientist who studies animals?
70. What is the name for the study of Earth’s physical structure?
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