30+ Science Trivia Questions for Kids: Interesting Questions for Kids

Science is full of wonders, and what better way to spark curiosity than with fun science trivia questions for kids? Whether you’re a teacher looking to make lessons more engaging or a parent wanting to encourage learning at home, these trivia questions will challenge young minds in an exciting way. 

From physics to space and technology, let’s explore some of the best science puzzles to test kids’ knowledge and creativity!

35 science trivia questions for kids

Science trivia is a great way to reinforce learning while making it fun. These questions cover different fields of science, allowing kids to explore topics in an interactive way. Get ready to test their knowledge and inspire curiosity!

General science trivia questions

General science covers a bit of everything, from the human body to the environment and basic scientific principles. These questions help kids understand the world around them and develop a strong foundation in science.

General Science trivia questions for kids
General Science trivia questions for kids

1. What is the only planet known to support life?

Answer: Earth

2. What do we call a scientist who studies rocks? 

Answer: Geologist

3. What is H2O more commonly known as?

Answer: Water

4. How many bones are in the human body?

Answer: 206

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

Answer: Skin

Physics trivia questions

Physics is the study of motion, energy, and forces that shape our world. Kids will love exploring the mysteries of gravity, electricity, and speed with these fun physics trivia questions!

Physics questions
Physics questions

1. What force pulls objects toward the Earth? 

Answer: Gravity

2. Who discovered the three laws of motion? 

Answer: Sir Isaac Newton

3. What is the speed of light?

Answer: Approximately 299,792 kilometers per second

4. What do you call materials that allow electricity to pass through them?

Answer: Conductors

5. What happens to most metals when they are heated?

Answer: They expand

Chemistry trivia questions

Chemistry helps us understand how substances interact, change, and form new materials. From the periodic table to everyday chemical reactions, these questions will challenge kids to think like young scientists!

Chemistry trivia questions
Chemistry trivia questions

1. What gas do humans breathe out when they exhale?

Answer: Carbon dioxide

2. What element is represented by the symbol ‘O’? 

Answer: Oxygen

3. What substance makes up most of the human body?

Answer: Water

4. What common kitchen ingredient is also known as sodium chloride?

Answer: Salt

5. What is the smallest unit of matter?

Answer: Atom

Biology trivia questions

Biology is the study of living things, including plants, animals, and humans. These questions will help kids learn more about the natural world and how different organisms function.

Biology questions
Biology questions

1. What do plants use to make food through photosynthesis?

Answer: Sunlight, water, and carbon dioxide

2. What part of the body pumps blood?

Answer: Heart

3. What do bees collect from flowers to make honey?

Answer: Nectar

4. What do we call animals that eat only plants? 

Answer: Herbivores

5. What is the process of a caterpillar turning into a butterfly called?

Answer: Metamorphosis

Earth Science trivia questions

Earth Science explores everything about our planet, from weather patterns to volcanoes and natural disasters. These questions will help kids appreciate the beauty and power of nature.

Earth Science
Earth Science

1. What is the hottest layer of the Earth?

Answer: Inner core

2. What is the name of the natural disaster caused by a sudden movement of the Earth’s crust?

Answer: Earthquake

3. What do you call molten rock that comes out of a volcano?

Answer: Lava

4. What is the process of water changing from liquid to gas called?

Answer: Evaporation

5. What are the three main types of rocks?

Answer: Igneous, sedimentary, metamorphic

Space & Astronomy trivia questions

Outer space is full of mysteries, from planets and stars to black holes and galaxies. These trivia questions will take kids on a journey through the universe!

Space & Astronomy
Space & Astronomy

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

Answer: Milky Way

2. Which planet is known as the “Red Planet”?

Answer: Mars

3. What is the largest planet in the solar system?

Answer: Jupiter

4. What star is at the center of our solar system?

Answer: The Sun

5. What do astronauts wear in space?

Answer: Spacesuits

Technology & Engineering trivia questions

Technology and engineering help us build, create, and improve the way we live. These questions introduce kids to some of the most important inventions and discoveries in history.

Technology & Engineering
Technology & Engineering

1. Who is known as the inventor of the light bulb?

Answer: Thomas Edison

2. What does a thermometer measure?

Answer: Temperature

3. What type of energy is produced by the Sun?

Answer: Solar energy

4. What machine helps people talk over long distances?

Answer: Telephone

5. What is the name of the first satellite launched into space?

Answer: Sputnik 1

For more trivia questions for kids in other topics, visit this post!

Final thoughts

Science trivia is a fantastic way to keep kids engaged and excited about learning. These questions cover a variety of topics, helping to build knowledge in a fun and interactive way. Whether you’re using them for classroom quizzes, family game nights, or just for fun, science trivia helps develop critical thinking and curiosity.

Looking for more educational worksheets to support science learning? Check out Worksheetzone for free printable resources!