50 Science quiz questions and answers to put your friends to the test (2024)

From the human body to time and space, RadioTimes.com has compiled a list of questions on all types of topics for you to steal for your next quiz.

Do you know what DNA stands for, or what the study of mushrooms is called? If you think you know your trivia, why not dive into our wide range of questions below right now – try to resist that urge to turn to Google!

And once you’re done, why not try our TV pub quiz, film pub quiz, music quiz or sport pub quiz for size? Plus there's many, many more pub quizzes available as part of our bumper general knowledge pub quiz.

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Science Quiz Questions

1. What does DNA stand for?
2. How many bones are in the human body?
3. The concept of gravity was discovered by which famous physicist?
4. What is the hardest natural substance on Earth?
5. Which is the main gas that makes up the Earth's atmosphere?
6. Humans and chimpanzees share roughly how much DNA?
7. What is the most abundant gas in the Earth's atmosphere?
8. Roughly how long does it take for the sun's light to reach Earth - 8 minutes, 8 hours or 8 days?
9. Which famous British physicist wrote A Brief History of Time?
10. At what temperature are Celsius and Fahrenheit equal?
11. What modern-day country was Marie Curie born in?
12. What is the biggest planet in our solar system?
13. What name is given for the number of protons found in the nucleus of an atom?
14. How many vertebrae does the average human possess?
15. What was the name of the first man-made satellite launched by the Soviet Union in 1957?
16. Which oath of ethics taken by doctors is named after an Ancient Greek physician?
17. What is a material that will not carry an electrical charge called?
18. Which Apollo moon mission was the first to carry a lunar rover?
19. How many teeth does an adult human have?
20. What is the study of mushrooms called?
21. How many brains and how many hearts does an octopus have?
22. What is the only letter not to appear on the periodic table?
23. What is the fastest land animal in the world?
24. What is the only even prime number?
25. What do the letters in the word laser stand for?
26. What is the perimeter of a circle called?
27. Sound travels faster in air than in water: true or false?
28. Which of the world's oceans in the deepest?
29. What was the name of the first artificial satellite to enter space?
30. Who is credited with the creation of the World Wide Web?
31. Lightning hotter than the surface of the sun: true or false?
32. Where in the human body can the smallest bone be found?
33. How many bones do sharks have?
34. What is sphenopalatine ganglioneuralgia the scientific term for?
35. What does USB stand for?
36. What is the largest desert on Earth?
37. In which year were the first collisions achieved in the Large Hadron Collider?
38. What is the heaviest organ in the human body?
39. What is the rarest blood type in humans?
40. In which year was Pluto reclassified as a Dwarf Planet?
41. What is the biggest animal in the world?
42. What is the only active volcano on mainland Europe called?
43. What is desquamation the scientific term for?
44. How many days on Earth does it take for Venus to rotate once on its axis?
45. How many states of matter are there?
46. What does a Geiger Counter measure?
47. What are natural satellites colloquially known as?
48. In which year did the Apollo 13 space mission take place?
49. What metal is the best conductor of electricity?
50. What was the first vaccine to be developed against a contagious disease?

Science Quiz Answers

1. Deoxyribonucleic acid
2. 206
3. Sir Isaac Newton
4. Diamond
5. Nitrogen
6. 98 per cent
7. Nitrogen
8. 8 minutes
9. Stephen Hawking
10. -40
11. Poland
12. Jupiter
13. Atomic number
14. 33
15. Sputnik 1
16. Hippocratic Oath
17. Insulator
18. Apollo 15
19. 32
20. Mycology
21. 9 brains, 3 hearts
22. J
23. Cheetah
24. 2
25. Light Amplification by Stimulated Emission of Radiation
26. The circumference
27. False
28. The Pacific
29. Sputnik 1
30. Tim Berners-Lee
31. True
32. The ear
33. Zero
34. Brain freeze
35. Universal Serial Bus
36. Antartica
37. 2010
38. The liver
39. AB Negative
40. 2006
41. The Antarctic blue whale
42. Mount Vesuvius
43. Peeling skin
44. 243
45. 4 - solid, liquid, gas and plasma
46. Radiation
47. Moons
48. 1970
49. Silver
50. The smallpox vaccine

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