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Fascinating Science Trivia Questions (With Answers!)

If you can guess the answers to these science trivia questions, you deserve a pat on the back.

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.

READ THIS NEXT: 75 Trivia Questions Only Geniuses Can Answer

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

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  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?
    Hydrogen and oxygen
  12. Trivia Question: At what temperature is Fahrenheit equal to Centigrade?
    Answer: -40 degrees

Hard Science Trivia Questions

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  1. Trivia Question: About how long does it take for the sun's light to reach Earth?
    Answer: Eight minutes
  2. 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
  3. Trivia Question: What does DNA stand for?
    Answer: Deoxyribonucleic Acid
  4. 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
  5. Trivia Question: What inorganic molecule is produced by lightning?
    Answer: Ozone
  6. Trivia Question: What is it called when you make light change direction by passing it through a lens?
    Answer: Refraction
  7. Trivia Question: Which component of an atom might you expect to be orbiting around it?
    Answer: Electrons
  8. Trivia Question: Which type of bond involves the sharing of electron pairs between different atoms?
    Answer: Covalent
  9. Trivia Question: NaCl is the chemical formula of which common substance?
    Answer: Salt
  10. Trivia Question: What reaction releases energy into its surroundings?
    Answer: Exothermic reaction

READ THIS NEXT: 37 Weird Facts About the Human Body That Will Blow Your Mind

Science Trivia Questions About Zoology

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

Science Trivia About Space

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  1. Trivia Question: What planet in our solar system has the most gravity?
    Answer: Jupiter
  2. 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
  3. Trivia Question: How many elements are listed in the periodic table?
  4. Trivia Question: What is the hottest planet in the solar system?
    Answer: Venus
  5. Trivia Question: Which Apollo moon mission was the first to carry a lunar rover?
    Answer: Apollo 15
  6. Trivia Question: Space travelers from the United States are called astronauts. From Russia, they're called cosmonauts. Where are taikonauts from?
    Answer: China
  7. 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
  8. Trivia Question: Is it possible to hear sound in outer space?
    Answer: No
  9. Trivia Question: What is the only planet that spins clockwise?
    Answer: Venus
  10. Trivia Question: Which lunar phase occurs when less than a full moon but more than a half moon is illuminated?
    Answer: The Gibbous Phase

READ THIS NEXT: 30 Moon Facts That Are Out of This World

Science Trivia About Nature

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Shutterstock / khramova natalia
  1. Trivia Question: What is the deepest point in all of the world's oceans?
    Answer: Mariana Trench
  2. Trivia Question: What is the tallest type of grass?
    Answer: Bamboo
  3. Trivia Question: Which mountain peak extends the farthest from the center of the Earth?
    Answer: Chimborazo
  4. Trivia Question: The study of the weather is called what?
    Answer: Meteorology
  5. Trivia Question: Which E-term refers to the place where a body of freshwater meets the ocean?
    Answer: Estuary
  6. 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
  7. Trivia Question:  If a plant is pollinated through anemophily, what is actually doing the pollinating?
    Answer: The wind
  8. Trivia Question: Which continent contains absolutely no bees?
    Answer: Antarctica
  9. Trivia Question: What is the study of mushrooms called?
    Answer: Mycology
  10. Trivia Question: Where is the world's most active volcano located?
    Answer: Hawaii

Weird Science Trivia About the Body

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  1. Trivia Question: What is the largest internal organ of the human body?
    Answer: The liver
  2. Trivia Question: How many teeth does an adult human have?
    Answer: 32
  3. Trivia Question: What is the rarest blood type?
    Answer: AB-
  4. Trivia Question: Which part of the brain deals with hearing and language?
    Answer: The temporal lobe
  5. Trivia Question: How many vertebrae are in the human spine?
    Answer: 33
  6. Trivia Question: Your hair and your nails are made from the same material. True or false?
    Answer: True
  7. Trivia Question: Where is the smallest bone in the human body located?
    Answer: The middle ear
  8. Trivia Question: What is the name of the biggest part of the human brain?
    Answer: The cerebrum
  9. Trivia Question: What is the scientific term for peeling skin?
    Answer: Desquamation
  10. Trivia Question: What is the process of breaking down food called?
    Answer: Digestion
  11. Trivia Question: What is made by white blood cells to help fight off infection?
    Answer: Antibodies
  12. Trivia Question: How does fat leave your body when you lose weight?
    Answer: Through your sweat, urine, and breath
  13. 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!

Carrie Weisman
Carrie Weisman oversees all SEO efforts at Best Life. She specializes in content optimization and editorial marketing. Read more
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