Science Quiz
Science Quiz
1. What is the most massive planet in our solar system?
– Answer: Jupiter
2. What is the elemental symbol for gold?
– Answer: Au. Science Quiz
3. What is responsible for the Earth’s tidal movements?
– Answer: Gravitational pull of the moon
4. What serves as the energy powerhouse of the cell?
– Answer: Mitochondria
5. Who formulated the theory of relativity?
– Answer: Albert Einstein
6. How do plants produce their own food?
– Answer: Photosynthesis
7. What is the Earth’s outer layer termed?
– Answer: Crust
8. What does DNA stand for?
– Answer: Deoxyribonucleic acid
9. Besides the sun, which star is the nearest to Earth?
– Answer: Proxima Centauri
10. What is the standard unit for measuring force?
– Answer: Newton
11. Which element is represented by the chemical symbol Fe?
– Answer: Iron
12. What phenomenon leads to the formation of a rainbow?
– Answer: Refraction and reflection of light in water droplets
13. Which is the smallest bone in the human body?
– Answer: Stapes (in the ear)
14. What is the chemical symbol for water?
– Answer: H2O. Science Quiz
15. What is the process of liquid turning into a gas?
– Answer: Evaporation
16. What is the scientific study of fossils called?
– Answer: Paleontology
17. Which organ is the largest in the human body?
– Answer: Skin
18. What kind of energy is stored in food?
– Answer: Chemical energy
19. What is the speed of light in a vacuum?
– Answer: Approximately 299,792 kilometers per second
20. What is the primary gas in the Earth’s atmosphere?
– Answer: Nitrogen
21. Which galaxy is closest to the Milky Way?
– Answer: Andromeda Galaxy
22. What is the Earth’s primary source of energy?
– Answer: The Sun. Science Quiz
23. What does NaCl stand for?
– Answer: Sodium chloride (table salt)
24. What is the unit of electrical resistance?
– Answer: Ohm
25. Which is the largest organ inside the human body?
– Answer: Liver
26. What is the scientific study of the Earth’s atmosphere?
– Answer: Meteorology
27. Which planet is the densest in our solar system?
– Answer: Earth
28. What causes the sound of thunder?
– Answer: Rapid expansion of air due to lightning
29. What is the process of a liquid turning into a gas at the surface called?
– Answer: Evaporation
30. What is the elemental symbol for oxygen?
– Answer: O. Science Quiz
31. What type of energy is linked with motion?
– Answer: Kinetic energy
32. What is the force resisting the motion of surfaces against each other called?
– Answer: Friction
33. What is the study of the Earth’s physical structure and substance called?
– Answer: Geology
34. What is the largest known mammal?
– Answer: Blue whale
35. What is the chemical symbol for carbon?
– Answer: C
36. What is the hardest natural substance known?
– Answer: Diamond
37. What is the process of plants losing water through their leaves?
– Answer: Transpiration
38. Which planet is closest to the Sun?
– Answer: Mercury
39. What is the scientific study of matter and its properties?
– Answer: Chemistry
40. In which atmospheric layer does weather occur?
– Answer: Troposphere
41. Why does the sky appear blue?
– Answer: Scattering of sunlight by the atmosphere
42. What is the chemical symbol for iron?
– Answer: Fe. Science Quiz
43. What is the process of a gas turning into a liquid called?
– Answer: Condensation
44. What is the force pulling objects towards each other?
– Answer: Gravity
45. What is the chemical symbol for helium?
– Answer: He
46. What is the center of an atom called?
– Answer: Nucleus
47. What is the scientific study of earthquakes called?
– Answer: Seismology
48. What is the unit of electrical potential or electromotive force?
– Answer: Volt
49. Which greenhouse gas is primarily responsible for global warming?
– Answer: Carbon dioxide
50. What is the scientific study of the universe beyond the Earth’s atmosphere?
– Answer: Astronomy
51. What is the chemical symbol for silver?
– Answer: Ag. Science Quiz
52. What is the scientific study of the composition, structure, properties, and reactions of matter called?
– Answer: Chemistry
53. What is the unit of electrical current?
– Answer: Ampere
54. What is the process of a liquid turning into a solid called?
– Answer: Freezing
55. What is the chemical symbol for sodium?
– Answer: Na
Science Quiz
N. B. The Science quizzes are collected from a variety of sources. We are indebted to the source holders.
