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Science Quiz
Science Quiz-1
1. What is the most massive planet in our solar system?
A: Jupiter
2. What is the elemental symbol for gold?
A: Au. Science Quiz
3. What is responsible for the Earth’s tidal movements?
A: Gravitational pull of the moon
4. What serves as the energy powerhouse of the cell?
A: Mitochondria
5. Who formulated the theory of relativity?
A: Albert Einstein
6. How do plants produce their own food?
A: Photosynthesis
7. What is the Earth’s outer layer termed?
A: Crust
8. What does DNA stand for?
A: Deoxyribonucleic acid
9. Besides the sun, which star is the nearest to Earth?
A: Proxima Centauri
10. What is the standard unit for measuring force?
A: Newton
11. Which element is represented by the chemical symbol Fe?
A: Iron
12. What phenomenon leads to the formation of a rainbow?
A: Refraction and reflection of light in water droplets
13. Which is the smallest bone in the human body?
A: Stapes (in the ear)
14. What is the chemical symbol for water?
A: H2O. Science Quiz
15. What is the process of liquid turning into a gas?
A: Evaporation
16. What is the scientific study of fossils called?
A: Paleontology
17. Which organ is the largest in the human body?
A: Skin
18. What kind of energy is stored in food?
A: Chemical energy
19. What is the speed of light in a vacuum?
A: Approximately 299,792 kilometers per second
20. What is the primary gas in the Earth’s atmosphere?
A: Nitrogen
21. Which galaxy is closest to the Milky Way?
A: Andromeda Galaxy
22. What is the Earth’s primary source of energy?
A: The Sun. Science Quiz
23. What does NaCl stand for?
A: Sodium chloride (table salt)
24. What is the unit of electrical resistance?
A: Ohm
25. Which is the largest organ inside the human body?
A: Liver
26. What is the scientific study of the Earth’s atmosphere?
A: Meteorology
27. Which planet is the densest in our solar system?
A: Earth
28. What causes the sound of thunder?
A: Rapid expansion of air due to lightning
29. What is the process of a liquid turning into a gas at the surface called?
A: Evaporation
30. What is the elemental symbol for oxygen?
A: O. Science Quiz
31. What type of energy is linked with motion?
A: Kinetic energy
32. What is the force resisting the motion of surfaces against each other called?
A: Friction
33. What is the study of the Earth’s physical structure and substance called?
A: Geology
34. What is the largest known mammal?
A: Blue whale
35. What is the chemical symbol for carbon?
A: C
36. What is the hardest natural substance known?
A: Diamond
37. What is the process of plants losing water through their leaves?
A: Transpiration
38. Which planet is closest to the Sun?
A: Mercury
39. What is the scientific study of matter and its properties?
A: Chemistry
40. In which atmospheric layer does weather occur?
A: Troposphere
41. Why does the sky appear blue?
A: Scattering of sunlight by the atmosphere
42. What is the chemical symbol for iron?
A: Fe. Science Quiz
43. What is the process of a gas turning into a liquid called?
A: Condensation
44. What is the force pulling objects towards each other?
A: Gravity
45. What is the chemical symbol for helium?
A: He
46. What is the center of an atom called?
A: Nucleus
47. What is the scientific study of earthquakes called?
A: Seismology
48. What is the unit of electrical potential or electromotive force?
A: Volt
49. Which greenhouse gas is primarily responsible for global warming?
A: Carbon dioxide
50. What is the scientific study of the universe beyond the Earth’s atmosphere?
A: Astronomy
51. What is the chemical symbol for silver?
A: Ag. Science Quiz
52. What is the scientific study of the composition, structure, properties, and reactions of matter called?
A: Chemistry
53. What is the unit of electrical current?
A: Ampere
54. What is the process of a liquid turning into a solid called?
A: Freezing
55. What is the chemical symbol for sodium?
A: Na
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Science Quiz-2
Q: What is the chemical symbol for water?
A: H₂O
Q: Which planet is known as the Red Planet?
A: Mars
Q: Which gas do plants absorb from the atmosphere during photosynthesis?
A: Carbon dioxide (CO₂)
Q: What is the hardest natural substance on Earth?
A: Diamond
Q: What is the process by which a liquid turns into a gas?
A: Evaporation
Q: What is the basic unit of life in all living organisms?
A: Cell
Q: Which is the largest planet in our solar system?
A: Jupiter
Q: What is the speed of light in a vacuum?
A: About 299,792 kilometers per second (or 186,282 miles per second)
Q: Which element does the symbol “O” represent on the periodic table?
A: Oxygen
Q: Which part of the human body controls balance?
A: Inner ear
Q: What is the primary source of energy for life on Earth?
A: Sun
Q: What is the study of earthquakes called?
A: Seismology
Q: Which type of blood cells help fight infections?
A: White blood cells
Q: What is the chemical formula of table salt?
A: NaCl
Q: Which type of energy is produced from flowing water?
A: Hydroelectric energy
Q: Which is the smallest planet in our solar system?
A: Mercury
Q: What is the name of the galaxy that comprises our solar system?
A: Milky Way
Q: Which scientist proposed the theory of relativity?
A: Albert Einstein
Q: What is the boiling point of water at sea level in Celsius?
A: 100°C
Q: What is the powerhouse of the cell?
A: Mitochondrion
Q: Which force helps planets to orbit around the Sun?
A: Gravity
Q: The Sun is classified as what type of star?
A: A yellow dwarf
Q: Which gas is most abundant in the Earth’s atmosphere?
A: Nitrogen (78%)
Q: What is the pH level of pure water?
A: 7 (Neutral)
Q: Which is the largest organ of the human body?
A: Skin
Q: Which type of rock is formed by volcanic activity?
A: Igneous rock
Q: What are animals that eat only plants called?
A: Herbivores
Q: Who is known as the father of modern physics?
A: Galileo Galilei
Q: What is the measure of the amount of matter in an object?
A: Mass
Q: Which part of the human brain is responsible for memory and learning?
A: Hippocampus
Q: What is the study of fungi called?
A: Mycology
Q: Which instrument is used to measure atmospheric pressure?
A: Barometer
Q: Which is the heaviest naturally occurring element?
A: Uranium
Q: What are the three states of matter?
A: Solid, Liquid and Gas
Q: What is the process of splitting an atomic nucleus called?
A: Nuclear fission
Q: What do bees collect from flowers to make honey?
A: Nectar
Q: Which is the nearest star to Earth?
A: Sun
Q: What kind of waves are used in mobile phone communication?
A: Radio waves
Q: What is the name of the scientist who developed the first vaccine?
A: Edward Jenner
Q: Which part of the cell contains the genetic material?
A: Nucleus
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