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Basic Science

1. What is the boiling point of water in Celsius?

A) 100°C
B) 0°C
C) -100°C
D) 212°C

2. What is the chemical symbol for gold?

A) Go
B) Au
C) Ag
D) Gd

3. Which gas do plants use in photosynthesis?

A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen

4. What is the smallest unit of matter?

A) Atom
B) Proton
C) Molecule
D) Electron

Basic science

5. What is the chemical formula for water?

A) H2O2
B) CO2
C) H2O
D) HO

6. What is the force that pulls objects towards the center of the Earth?

A) Friction
B) Gravity
C) Magnetism
D) Buoyancy

Answer: B) Gravity

7. Which planet is known as the “Red Planet”?

A) Jupiter
B) Mars
C) Saturn
D) Venus

Answer: B) Mars

8. What is the chemical symbol for iron?

A) Ir
B) Fe
C) In
D) Io

Answer: B) Fe

9. What is the main function of the nucleus in a cell?

A) Energy production
B) Protein synthesis
C) Genetic control
D) Waste elimination

Answer: C) Genetic control

10. What is the process by which plants make their own food?

A) Respiration
B) Transpiration
C) Photosynthesis
D) Digestion

Answer: C) Photosynthesis

11. Which of the following is NOT a primary color?

A) Red
B) Yellow
C) Green
D) Black

12. What is the speed of light in a vacuum?

A) 300,000 km/s
B) 30,000 km/s
C) 300,000 m/s
D) 3,000 km/s

13. Which gas makes up the largest portion of the Earth’s atmosphere?

A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen

14. What is the chemical symbol for sodium?

A) S
B) So
C) Na
D) Sn

science question basic

science question basic

15. What type of energy does a moving car have?

A) Kinetic energy
B) Potential energy
C) Thermal energy
D) Mechanical energy

Basic Science

16. What is the process by which water changes into vapor?

A) Melting
B) Condensation
C) Evaporation
D) Freezing

17. Which of the following is a greenhouse gas?

A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Argon

18. What is the chemical formula for table salt?

A) NaCl
B) HCl
C) KCl
D) MgCl2

19. What is the SI unit of force?

A) Watt
B) Joule
C) Newton
D) Pascal

20. What is the chemical symbol for helium?

A) H
B) He
C) Hu
D) Hee

21. Which of the following is NOT a mammal?

A) Cat
B) Eagle
C) Dog
D) Dolphin

22. What is the pH of pure water?

A) 0
B) 7
C) 10
D) 14

23. What is the chemical symbol for hydrogen?

A) H
B) Hy
C) Ho
D) He

24. Which organ produces insulin in the human body?

A) Liver
B) Pancreas
C) Kidney
D) Heart

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25. What is the process by which plants release water vapor into the atmosphere?

A) Transpiration
B) Respiration
C) Photosynthesis
D) Evaporation

26. What is the chemical symbol for carbon?

A) Ca
B) C
C) Co
D) Cr

27. Which gas is responsible for the ozone layer depletion?

A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Chlorofluorocarbons (CFCs)

28. What is the SI unit of electric current?

A) Volt
B) Ohm
C) Ampere
D) Watt

29. What is the process by which plants take in carbon dioxide and release oxygen?

A) Transpiration
B) Photosynthesis
C) Respiration
D) Decomposition

30. Which of the following is a renewable energy source?

A) Coal
B) Natural gas
C) Solar
D) Nuclear

Basic Science

31. What is the chemical symbol for potassium?

A) P
B) Po
C) K
D) Ko

32. What is the study of the Earth’s atmosphere and weather?

A) Biology
B) Geology
C) Meteorology
D) Astronomy

33. What is the process by which rocks break down into smaller pieces?

A) Erosion
B) Weathering
C) Deposition
D) Sedimentation

34. Which of the following is NOT a state of matter?

A) Solid
B) Liquid
C) Gas
D) Energy

35. What is the chemical symbol for oxygen?

A) O
B) Ox
C) Oc
D) On

36. What is the study of living organisms called?

A) Geology
B) Biology
C) Astronomy
D) Chemistry

37. Which of the following is a vector quantity?

A) Speed
B) Distance
C) Mass
D) Velocity

38. What is the chemical symbol for nitrogen?

A) Ni
B) N
C) Na
D) Ne

39. Which of the following is a characteristic of acids?

A) Sour taste
B) Turns blue litmus paper red
C) Releases hydrogen ions (H+)
D) All of the above

40. What is the outermost layer of the Earth’s atmosphere?

A) Troposphere
B) Stratosphere
C) Mesosphere
D) Exosphere

41. Which element is essential for human respiration?

A) Oxygen
B) Nitrogen
C) Carbon
D) Hydrogen

42. What is the chemical symbol for calcium?

A) Ca
B) Co
C) Cl
D) Cm

43. Which of the following is NOT a type of rock?

A) Metamorphic
B) Sedimentary
C) Igneous
D) Fossilized

44. What is the SI unit of temperature?

A) Celsius
B) Fahrenheit
C) Kelvin
D) Rankine

45. What is the process by which an organism produces offspring?

A) Evolution
B) Reproduction
C) Respiration
D) Metabolism

Basic Science

46. Which of the following is a primary color of light?

A) Red
B) Yellow
C) Green
D) Magenta

47. What is the chemical symbol for silver?

A) Si
B) Ag
C) Au
D) Sr

48. Which of the following is NOT a part of the water cycle?

A) Precipitation
B) Volcanism
C) Condensation
D) Evaporation

49. What is the main function of the ribosome in a cell?

A) Energy production
B) Protein synthesis
C) Genetic control
D) Waste elimination

50. What is the process by which plants lose water through small openings in their leaves?

A) Respiration
B) Transpiration
C) Photosynthesis
D) Evaporation


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