May 30, 2025
Science is all around us, from the phones we use to the weather we experience and the stars we see at night. This big list of science trivia questions for teens covers all kinds of fun and fascinating topics like biology, chemistry, physics, Earth science, and space. Whether you’re studying for school, planning a trivia game with friends, or just curious about the world, these questions will test your knowledge and teach you something new along the way. Let’s see how many you can answer!
Science Trivia Questions for Teens
Below you will find over 100 science trivia questions for teens! These trivia questions have been split up into different subjects. Go ahead and see if you know the answers!
Biology Trivia Questions for Teens
Biology is the science of life. These science trivia questions for teens will test what you know about cells, the human body, plants, animals, and everything in between. See how many you can answer correctly!
- What is the basic unit of life?
Answer: The cell - What is the powerhouse of the cell?
Answer: Mitochondria - What part of a plant cell gives it structure and support?
Answer: Cell wall - What gas do plants take in to perform photosynthesis?
Answer: Carbon dioxide - What green pigment is found in plants and helps with photosynthesis?
Answer: Chlorophyll - What process do plants use to make their own food?
Answer: Photosynthesis - What do we call the genetic material that carries instructions for life?
Answer: DNA - Who is known as the father of genetics?
Answer: Gregor Mendel - What shape is a DNA molecule often described as?
Answer: Double helix - What is the term for an organism’s physical traits?
Answer: Phenotype - What system in your body controls your muscles and organs using electrical signals?
Answer: Nervous system - Which organ pumps blood throughout your body?
Answer: Heart - What body system helps protect you from illness?
Answer: Immune system - How many bones are in the adult human body?
Answer: 206 - What do you call an organism made of only one cell?
Answer: Unicellular - What surrounds and protects the cell?
Answer: Cell membrane - What group of animals are cold-blooded and lay eggs in water?
Answer: Amphibians - What do herbivores eat?
Answer: Plants - What part of the body helps us breathe by expanding and contracting?
Answer: Diaphragm - What type of blood cells help fight infection?
Answer: White blood cells - What do you call the process where cells make exact copies of themselves?
Answer: Mitosis - What gas do humans breathe in to survive?
Answer: Oxygen - What is the largest organ in the human body?
Answer: Skin - What body system includes your bones and joints?
Answer: Skeletal system - What part of your body helps filter waste from your blood?
Answer: Kidneys - What do you call animals that eat only other animals?
Answer: Carnivores
Chemistry Trivia Questions for Teens
Chemistry is the study of matter and how substances interact, combine, and change. Usually, students start studying chemistry once they’re in high school. These science trivia questions will challenge what you know about atoms, elements, reactions, and more.
- What is the chemical symbol for water?
Answer: H₂O - What is the center of an atom called?
Answer: Nucleus - What are the three main states of matter?
Answer: Solid, liquid, gas - What is the chemical symbol for gold?
Answer: Au - What do you call a chart that shows all the elements?
Answer: Periodic table - What is the smallest part of an element that still has its properties?
Answer: Atom - What particle has a negative charge?
Answer: Electron - What kind of bond involves the sharing of electrons?
Answer: Covalent bond - What gas do humans exhale?
Answer: Carbon dioxide - What do you call a substance that speeds up a chemical reaction?
Answer: Catalyst - What is the pH of pure water?
Answer: 7 - What number is used to represent how many protons are in an atom?
Answer: Atomic number - What is the chemical symbol for sodium?
Answer: Na - What kind of matter has a definite volume but no definite shape?
Answer: Liquid - What do you call a mixture where the substances are evenly distributed?
Answer: Solution - What is the term for anything that takes up space and has mass?
Answer: Matter - What kind of element is shiny and conducts electricity?
Answer: Metal - What is the name of the particle that has no charge?
Answer: Neutron - What do you call a group of atoms bonded together?
Answer: Molecule - What is the boiling point of water in degrees Celsius?
Answer: 100°C - What is the freezing point of water in degrees Celsius?
Answer: 0°C - What do you call the substances that go into a chemical reaction?
Answer: Reactants - What do you call the substances that are made in a chemical reaction?
Answer: Products - What is the term for a change in which no new substances are made?
Answer: Physical change - What’s the term for the amount of space something takes up?
Answer: Volume - What is the lightest element on the periodic table?
Answer: Hydrogen - What kind of charge does a proton have?
Answer: Positive - What do you call a solid that forms from a solution during a chemical reaction?
Answer: Precipitate - What kind of bond involves the transfer of electrons?
Answer: Ionic bond
Physics Trivia Questions
Physics is the science that explains how things move, how forces work, and how energy flows through the world. These physics trivia questions will test your knowledge of motion, gravity, electricity, and more.
- What force pulls objects toward the Earth?
Answer: Gravity - What is the unit of force in the metric system?
Answer: Newton - What do we call the push or pull on an object?
Answer: Force - What is the tendency of an object to resist a change in motion?
Answer: Inertia - What kind of energy is stored due to an object’s position?
Answer: Potential energy - What kind of energy is associated with motion?
Answer: Kinetic energy - What is calculated by dividing distance over time?
Answer: Speed - What is speed with direction called?
Answer: Velocity - What do you call a change in velocity?
Answer: Acceleration - What is the force that slows objects down when they rub against each other?
Answer: Friction - What simple machine consists of a wheel with a rope or chain?
Answer: Pulley - What do you call a push or pull that causes an object to rotate?
Answer: Torque - What is the measure of how much space an object takes up?
Answer: Volume - What is mass times acceleration?
Answer: Force - What is the unit used to measure energy?
Answer: Joule - What is the unit of power?
Answer: Watt - Who was the scientist who developed the laws of motion?
Answer: Isaac Newton - Who developed the theory of relativity?
Answer: Albert Einstein - Who was the first woman to win a Nobel Prize in physics?
Answer: Marie Curie - What type of energy travels in waves and can be heard by our ears?
Answer: Sound energy - What is the distance between two peaks of a wave?
Answer: Wavelength - What part of a wave determines how loud a sound is?
Answer: Amplitude - What is the build-up of electric charge on the surface of an object?
Answer: Static electricity - What kind of circuit has only one path for the electric current?
Answer: Series circuit - What do we call a circuit with more than one path for current to travel?
Answer: Parallel circuit
Astronomy/Space Trivia Questions
If you’re a space lover, this section is for you. Astronomy is the science that explores stars, planets, galaxies, and everything beyond Earth.
- What is the name of our galaxy?
Answer: The Milky Way - What is the closest planet to the Sun?
Answer: Mercury - What planet is known for its big red spot?
Answer: Jupiter - What planet is famous for its beautiful rings?
Answer: Saturn - What is the fourth planet from the Sun?
Answer: Mars - What is Earth’s only natural satellite?
Answer: The Moon - What do we call a huge ball of gas that gives off heat and light?
Answer: Star - What is the star at the center of our solar system?
Answer: The Sun - What force keeps planets in orbit around the Sun?
Answer: Gravity - What do we call the path a planet takes around the Sun?
Answer: Orbit - What causes day and night on Earth?
Answer: Earth’s rotation - What planet is often called the “Red Planet”?
Answer: Mars - What is a meteoroid called after it hits the ground?
Answer: Meteorite - What is the name of the largest planet in our solar system?
Answer: Jupiter - What is the term for a group of stars that forms a pattern in the sky?
Answer: Constellation - What is the name of the tool scientists use to look at distant objects in space?
Answer: Telescope - What organization runs the U.S. space program?
Answer: NASA - Who was the first person to walk on the Moon?
Answer: Neil Armstrong - In what year did humans first land on the Moon?
Answer: 1969 - What spacecraft carried astronauts to the Moon during the Apollo missions?
Answer: Apollo 11 - What is the name of the large space telescope launched in 1990?
Answer: Hubble Space Telescope - What do we call the explosion that marks the end of a large star’s life?
Answer: Supernova - What kind of eclipse happens when the Moon blocks the Sun?
Answer: Solar eclipse