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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.

Redheaded woman with glasses looking at the camera with surprise
Shutterstock / Ivan Moreno sl

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

young girl scratching her head as she learns answers to science trivia questionsShutterstock / Ivan Moreno sl

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

Answer: Stephen Hawking

Answer: The Big Bang

Answer: Paleontologist

Answer: The third law of motion

Answer: Force

Answer: An insulator

Answer: Physical science, life science, and earth science

Answer: Hippocrates

Answer:Diamonds

Answer: Gold, silver, platinum, and palladium

Answer: Hydrogen and oxygen

Answer: -40 degrees

Hard Science Trivia Questions

teenage girl looking shocked as she learns answers to science quiz questionsShutterstock / Krakenimages.com

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

Answer: Eight minutes

Answer:Nicolaus Copernicus

Answer: Deoxyribonucleic Acid

Answer: Meiosis

Answer: Ozone

Answer:Refraction

Answer: Electrons

Answer: Covalent

Answer: Salt

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?
  2. Trivia Question: What is the largest known land animal?
  3. Trivia Question: Which jungle animal is referred to as an ambush when in a group?
  4. Trivia Question: What is the only type of canine that can climb trees?
  5. Trivia Question: What are the horns of a rhinoceros made of?
  6. Trivia Question: How long does it take a sloth to digest a meal?
  7. Trivia Question:Dogs and cats sweat through which part of their bodies?
  8. Trivia Question: Which mammal is known to have the most powerful bite in the world?
  9. Trivia Question: Which animal group do frogs belong to?
  10. Trivia Question: What are the only two mammals known to lay eggs?

Answer: Zero

Answer: The African elephant

Answer: A tiger

Answer: The gray fox

Answer:Keratin—the same protein that our hair and nails consist of

Answer: Anywhere from 11 to 30 days

Answer: Their paws

Answer: The Nile crocodile

Answer: Amphibians

Answer: The duck-billed platypus and the echidna

Science Trivia About Space

man pretending he is looking through a telescopeShutterstock / Khosro

  1. Trivia Question: What planet in our solar system has the most gravity?
  2. Trivia Question: When was the world's first man-made satellite launched?
  3. Trivia Question: How many elements are listed in the periodic table?
  4. Trivia Question: What is the hottest planet in the solar system?
  5. Trivia Question: Which Apollo moon mission was the first to carry a lunar rover?
  6. Trivia Question: Space travelers from the United States are called astronauts. From Russia, they’re called cosmonauts. Where are taikonauts from?
  7. Trivia Question: Is Pluto a planet?
  8. Trivia Question: Is it possible to hear sound in outer space?
  9. Trivia Question: What is the only planet that spins clockwise?
  10. Trivia Question: Which lunar phase occurs when less than a full moon but more than a half moon is illuminated?

Answer: Jupiter

Answer:Sputnik 1 was launched by the former Soviet Union on Oct. 4, 1957

Answer: 118

Answer: Venus

Answer: Apollo 15

Answer: China

Answer: No—though it used to be identified as a planet in our solar system, Pluto is now classified as a dwarf planet

Answer: No

Answer: Venus

Answer: The Gibbous Phase

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

Science Trivia About Nature

tree blooming with blue sky in backgroundShutterstock / khramova natalia

  1. Trivia Question: What is the deepest point in all of the world’s oceans?
  2. Trivia Question: What is the tallest type of grass?
  3. Trivia Question: Which mountain peak extends the farthest from the center of the Earth?
  4. Trivia Question: The study of the weather is called what?
  5. Trivia Question: Which E-term refers to the place where a body of freshwater meets the ocean?
  6. Trivia Question: All radioactive material is man-made. True or false?
  7. Trivia Question:  If a plant is pollinated through anemophily, what is actually doing the pollinating?
  8. Trivia Question: Which continent contains absolutely no bees?
  9. Trivia Question: What is the study of mushrooms called?
  10. Trivia Question: Where is the world’s most active volcano located?

Answer: Mariana Trench

Answer:Bamboo

Answer: Chimborazo

Answer: Meteorology

Answer: Estuary

Answer: False—the sun and stars emit cosmic radiation that interacts with the Earth’s atmosphere

Answer: The wind

Answer: Antarctica

Answer: Mycology

Answer: Hawaii

Weird Science Trivia About the Body

man biting his nails and clutching his chest as he learns answers to weird science trivia questionsShutterstock / pathdoc

  1. Trivia Question: What is the largest internal organ of the human body?
  2. Trivia Question: How many teeth does an adult human have?
  3. Trivia Question: What is the rarest blood type?
  4. Trivia Question: Which part of the brain deals with hearing and language?
  5. Trivia Question: How many vertebrae are in the human spine?
  6. Trivia Question: Your hair and your nails are made from the same material. True or false?
  7. Trivia Question: Where is the smallest bone in the human body located?
  8. Trivia Question: What is the name of the biggest part of the human brain?
  9. Trivia Question: What is the scientific term for peeling skin?
  10. Trivia Question: What is the process of breaking down food called?
  11. Trivia Question: What is made by white blood cells to help fight off infection?
  12. Trivia Question: How does fat leave your body when you lose weight?
  13. Trivia Question: What is the only bone in the human body that isn’t attached to another bone?

Answer: The liver

Answer: 32

Answer: AB-

Answer: The temporal lobe

Answer: 33

Answer: True

Answer: The middle ear

Answer: The cerebrum

Answer: Desquamation

Answer: Digestion

Answer: Antibodies

Answer: Through your sweat, urine, and breath

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!