Fascinating Science Trivia Questions (With Answers!)

Nobody remembers every bit of what they learned in elementary school, least of all the science stuff. A 2019 survey actually suggests that American adults use just 37 percent of what was taught during those years. Between forgetting things as we age and the need to focus our efforts elsewhere, it's fair to say we could all use a refresher. That's why we decided to come up with a list of science trivia questions for you to review. Read on to relearn some of the most interesting concepts science has to offer, from the animal kingdom to outer space, and beyond.

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65 Science Quiz Questions (With Answers!)

Check out the questions below to reacquaint yourself with some familiar material from years past.

Easy Science Trivia for Kids

1. Trivia Question: Which famous physicist authored A Brief History of Time?
   Answer: Stephen Hawking
2. Trivia Question: The most recognized model of how the universe began is known as what?
   Answer: The Big Bang
3. Trivia Question: A person who studies fossils and prehistoric life, such as dinosaurs, is known as what?
   Answer: Paleontologist
4. Trivia Question: Which of Newton's Laws states that "for every action, there is an equal and opposite reaction"?
   Answer: The third law of motion
5. Trivia Question: What is the scientific word for push or pull?
   Answer: Force
6. Trivia Question: What is a material that will not carry an electrical charge called?
   Answer: An insulator
7. Trivia Question: What are the three branches of science?
   Answer: Physical science, life science, and earth science
8. Trivia Question: For which Ancient Greek physician is the oath of ethics taken by doctors named?
   Answer: Hippocrates
9. Trivia Question: What is the hardest natural substance on Earth?
   Answer: Diamonds
10. Trivia Question: What are the four primary precious metals?
    Answer: Gold, silver, platinum, and palladium
11. Trivia Question: What two elements is water made of?
    Answer: Hydrogen and oxygen
12. Trivia Question: At what temperature is Fahrenheit equal to Centigrade?
    Answer: -40 degrees

Hard Science Trivia Questions

13. Trivia Question: About how long does it take for the sun's light to reach Earth?
    Answer: Eight minutes
14. Trivia Question: Who was the first person to introduce the idea that Earth revolves around the sun, reshaping how early man believed the solar system worked?
    Answer: Nicolaus Copernicus
15. Trivia Question: What does DNA stand for?
    Answer: Deoxyribonucleic Acid
16. Trivia Question: This type of cell division results in two four daughter cells, each one with half the number of chromosomes in the parent cells. What is it called?
    Answer: Meiosis
17. Trivia Question: What inorganic molecule is produced by lightning?
    Answer: Ozone
18. Trivia Question: What is it called when you make light change direction by passing it through a lens?
    Answer: Refraction
19. Trivia Question: Which component of an atom might you expect to be orbiting around it?
    Answer: Electrons
20. Trivia Question: Which type of bond involves the sharing of electron pairs between different atoms?
    Answer: Covalent
21. Trivia Question: NaCl is the chemical formula of which common substance?
    Answer: Salt
22. Trivia Question: What reaction releases energy into its surroundings?
    Answer: Exothermic reaction

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Science Trivia Questions About Zoology

23. Trivia Question: How many bones do sharks have?
    Answer: Zero
24. Trivia Question: What is the largest known land animal?
    Answer: The African elephant
25. Trivia Question: Which jungle animal is referred to as an ambush when in a group?
    Answer: A tiger
26. Trivia Question: What is the only type of canine that can climb trees?
    Answer: The gray fox
27. Trivia Question: What are the horns of a rhinoceros made of?
    Answer: Keratin—the same protein that our hair and nails consist of
28. Trivia Question: How long does it take a sloth to digest a meal?
    Answer: Anywhere from 11 to 30 days
29. Trivia Question: Dogs and cats sweat through which part of their bodies?
    Answer: Their paws
30. Trivia Question: Which mammal is known to have the most powerful bite in the world?
    Answer: The Nile crocodile
31. Trivia Question: Which animal group do frogs belong to?
    Answer: Amphibians
32. Trivia Question: What are the only two mammals known to lay eggs?
    Answer: The duck-billed platypus and the echidna

Science Trivia About Space

33. Trivia Question: What planet in our solar system has the most gravity?
    Answer: Jupiter
34. Trivia Question: When was the world's first man-made satellite launched?
    Answer: Sputnik 1 was launched by the former Soviet Union on Oct. 4, 1957
35. Trivia Question: How many elements are listed in the periodic table?
    Answer: 118
36. Trivia Question: What is the hottest planet in the solar system?
    Answer: Venus
37. Trivia Question: Which Apollo moon mission was the first to carry a lunar rover?
    Answer: Apollo 15
38. Trivia Question: Space travelers from the United States are called astronauts. From Russia, they're called cosmonauts. Where are taikonauts from?
    Answer: China
39. Trivia Question: Is Pluto a planet?
    Answer: No—though it used to be identified as a planet in our solar system, Pluto is now classified as a dwarf planet
40. Trivia Question: Is it possible to hear sound in outer space?
    Answer: No
41. Trivia Question: What is the only planet that spins clockwise?
    Answer: Venus
42. Trivia Question: Which lunar phase occurs when less than a full moon but more than a half moon is illuminated?
    Answer: The Gibbous Phase

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Science Trivia About Nature

43. Trivia Question: What is the deepest point in all of the world's oceans?
    Answer: Mariana Trench
44. Trivia Question: What is the tallest type of grass?
    Answer: Bamboo
45. Trivia Question: Which mountain peak extends the farthest from the center of the Earth?
    Answer: Chimborazo
46. Trivia Question: The study of the weather is called what?
    Answer: Meteorology
47. Trivia Question: Which E-term refers to the place where a body of freshwater meets the ocean?
    Answer: Estuary
48. Trivia Question: All radioactive material is man-made. True or false?
    Answer: False—the sun and stars emit cosmic radiation that interacts with the Earth's atmosphere
49. Trivia Question:  If a plant is pollinated through anemophily, what is actually doing the pollinating?
    Answer: The wind
50. Trivia Question: Which continent contains absolutely no bees?
    Answer: Antarctica
51. Trivia Question: What is the study of mushrooms called?
    Answer: Mycology
52. Trivia Question: Where is the world's most active volcano located?
    Answer: Hawaii

Weird Science Trivia About the Body

53. Trivia Question: What is the largest internal organ of the human body?
    Answer: The liver
54. Trivia Question: How many teeth does an adult human have?
    Answer: 32
55. Trivia Question: What is the rarest blood type?
    Answer: AB-
56. Trivia Question: Which part of the brain deals with hearing and language?
    Answer: The temporal lobe
57. Trivia Question: How many vertebrae are in the human spine?
    Answer: 33
58. Trivia Question: Your hair and your nails are made from the same material. True or false?
    Answer: True
59. Trivia Question: Where is the smallest bone in the human body located?
    Answer: The middle ear
60. Trivia Question: What is the name of the biggest part of the human brain?
    Answer: The cerebrum
61. Trivia Question: What is the scientific term for peeling skin?
    Answer: Desquamation
62. Trivia Question: What is the process of breaking down food called?
    Answer: Digestion
63. Trivia Question: What is made by white blood cells to help fight off infection?
    Answer: Antibodies
64. Trivia Question: How does fat leave your body when you lose weight?
    Answer: Through your sweat, urine, and breath
65. Trivia Question: What is the only bone in the human body that isn't attached to another bone?
    Answer: The hyoid bone

Wrapping Up

That's it for our list of science quiz questions. Be sure to check back with us soon for more ways to stay sharp. You can also sign up for our newsletter so you don't miss out!