Best Questions of Science Quiz to Test Your Knowledge

1. Who developed the theory of relativity?

2. What is the chemical symbol for water?

3. What planet is known as the Red Planet?

4. Who is known as the father of modern physics?

5. What is the primary gas found in the Earth’s atmosphere?

6. Who discovered penicillin?

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

8. Which element has the chemical symbol “O”?

9. Who invented the telephone?

10. What is the powerhouse of the cell?

11. What is the main ingredient in glass?

12. What organ in the human body produces insulin?

13. What is the most abundant element in the universe?

14. What does DNA stand for?

15. Who developed the first successful polio vaccine?

16. What type of electromagnetic radiation has the shortest wavelength?

17. What is the smallest unit of life?

18. What is the name of the largest ocean on Earth?

19. Who formulated the laws of motion?

20. What is the chemical symbol for gold?

21. Which element is essential for the production of thyroid hormones?

22. What is the most abundant gas in the Earth’s atmosphere?

23. What is the largest organ in the human body?

24. Who is known as the father of modern chemistry?

25. What is the atomic number of carbon?

26. What is the largest planet in our solar system?

27. Who invented the first successful vaccine for rabies?

28. What is the most common element in the Earth’s crust?

29. What gas do plants absorb during photosynthesis?

30. Which planet is the hottest in our solar system?

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

32. Which part of the cell contains the genetic material?

33. What is the unit of electric current?

34. What is the name of the galaxy we live in?

35. Who is credited with discovering the structure of DNA?

36. Who is the inventor of the first artificial heart?

37. What is the freezing point of water in Celsius?

38. Which inventor is known for developing the first practical electric light bulb?

39. Who invented the first successful airplane?

40. Who is credited with inventing the first steam engine?

41. Who invented the first mechanical computer?

42. Which inventor created the first practical phonograph?

43. Who invented the first telescope?

44. Which inventor was known for his work on alternating current (AC) electricity?

45. Who invented the cotton gin, a key invention in the American Industrial Revolution?

46. Who invented the first working submarine?

47. Who invented the World Wide Web?

48. Who invented the printing press?

49. Who invented the first vaccine for smallpox?

50. Who was the first to fly solo nonstop across the Atlantic Ocean?

51. Who invented the first mechanical clock?