Science Riddles are fun little puzzles that make you think about how the world works. They ask clever questions about things like physics, chemistry, and nature. Some riddles are easy, some are tricky, but all are exciting to solve. These riddles are a fun way to learn science while using your brain and imagination.
Table of Contents
ToggleScience Riddles
Riddle: I have no mouth, but I can talk. I can move without legs. What am I?
Answer: Sound
Riddle: I am invisible, but I can make things fall. I am strong, yet you cannot hold me. What am I?
Answer: Gravity
Riddle: I am a star, but I am not in the sky. I give heat and light to keep life alive. What am I?
Answer: The Sun

Riddle: I can be solid, liquid, or gas. I cover most of the Earth and fill your glass. What am I?
Answer: Water
Riddle: I fly without wings and cry without eyes. Wherever I go, darkness flies. What am I?
Answer: Wind
Riddle: I am full of tiny particles that move fast and bump around. I can be hot or cold. What am I?
Answer: Air
Riddle: I am a small piece that makes up everything around you. I am invisible to the eye, but I am real. What am I?
Answer: Atom
Riddle: I can bend light and make things look bigger. I am often curved and clear. What am I?
Answer: Lens
Riddle: I can explode without fire and make loud sounds in the sky. People see me after rain. What am I?
Answer: Lightning
Riddle: I have rings but no fingers. I spin around a giant ball in space. What am I?
Answer: Saturn
Riddle: I am invisible, yet I can push and pull. I can move magnets and make electricity flow. What am I?
Answer: Magnetic force
Riddle: I am made of millions of tiny cells. I eat, grow, and sometimes die. What am I?
Answer: Plant
Riddle: I shine in the dark, but I am not the moon. Some of me are small, some are huge. What am I?
Answer: Star
Riddle: I am hot, bright, and burn fuel, yet I live far away in space. What am I?
Answer: Star
Riddle: I can be strong enough to break rocks, but I move very slowly. I shape mountains and valleys. What am I?
Answer: Glacier
Riddle: I spin all the time, but I am not a wheel. I can make days and nights happen. What am I?
Answer: Earth
Riddle: I am soft, small, and invisible, yet I can spread sickness from one person to another. What am I?
Answer: Germ
Riddle: I can hold heat and make things boil. I am often made of metal and sit on fire. What am I?
Answer: Pot
Riddle: I can fall from the sky but I am not water. I can be frozen or soft. What am I?
Answer: Snow
Riddle: I am part of the air, you breathe me in, and I help plants grow. What am I?
Answer: Carbon dioxide
Science Related Riddles
Riddle: I am found in the sky but fall to the ground. I can be soft or hard and melt in your hand. What am I?
Answer: Snow
Riddle: I have no legs, but I can move mountains over time. What am I?
Answer: Water
Riddle: I am invisible, but you can feel me. I move clouds and bend trees. What am I?
Answer: Wind

Riddle: I am tiny and live everywhere. Some can make you sick, others help you. What am I?
Answer: Bacteria
Riddle: I have rings around me, but I am not jewelry. I spin in space. What am I?
Answer: Saturn
Riddle: I carry energy from the Sun to Earth, but I am not light. What am I?
Answer: Heat
Riddle: I can float in the air, fill balloons, and keep you alive. What am I?
Answer: Air
Riddle: I can split things apart and light up the sky, but I am not fire. What am I?
Answer: Lightning
Riddle: I am very small but make up everything you see. What am I?
Answer: Atom
Riddle: I grow, breathe, and eat sunlight. I do not walk, but I live. What am I?
Answer: Plant
Riddle: I spin, have oceans and continents, and make day and night. What am I?
Answer: Earth
Riddle: I am invisible, but I pull everything toward me. What am I?
Answer: Gravity
Riddle: I am sometimes clear, sometimes colored, and bend light to help you see better. What am I?
Answer: Lens
Riddle: I am soft, wet, and can flow. I shape valleys and carve canyons. What am I?
Answer: River
Riddle: I shine far away, look tiny, but give light and warmth to planets. What am I?
Answer: Star
Riddle: I am found in the air, you breathe me, and I help plants make food. What am I?
Answer: Carbon dioxide
Riddle: I am a force that can move magnets and make electricity flow. What am I?
Answer: Magnetism
Riddle: I spin in the sky and control tides, but I am not the Sun. What am I?
Answer: Moon
Riddle: I am tiny, fast, and can carry messages in your body. What am I?
Answer: Neuron
Science Riddles And Answers
Riddle: I can be hot or cold, I take the shape of any container, and I flow. What am I?
Answer: Water
Riddle: I am invisible, but I can push, pull, and make things fall. What am I?
Answer: Gravity
Riddle: I fly without wings and make noise when I move. What am I?
Answer: Wind

Riddle: I am made of millions of tiny cells, I grow, and I make my own food from sunlight. What am I?
Answer: Plant
Riddle: I shine in the sky and give light and warmth, but I am not a star far away. What am I?
Answer: The Sun
Riddle: I spin around and have oceans and lands. I make day and night. What am I?
Answer: Earth
Riddle: I can be solid, liquid, or gas. I am needed for life. What am I?
Answer: Water
Riddle: I am very small, make up everything, and cannot be seen with the eye. What am I?
Answer: Atom
Riddle: I fall from the sky in winter, cover the ground in white, and melt in spring. What am I?
Answer: Snow
Riddle: I can bend light and make things look bigger or smaller. What am I?
Answer: Lens
Riddle: I am found in the air, you breathe me, and plants need me to live. What am I?
Answer: Carbon dioxide
Riddle: I can break rocks over time and move very slowly. What am I?
Answer: Glacier
Riddle: I am invisible, but I can make objects move if they have metal. What am I?
Answer: Magnetism
Riddle: I fall from the sky, I can be soft or hard, and I am made of frozen water. What am I?
Answer: Hail
Riddle: I spin in space, have rings, and am a planet. What am I?
Answer: Saturn
Riddle: I am tiny and live everywhere. Some of me are helpful, some can make you sick. What am I?
Answer: Bacteria
Riddle: I can light up the sky, be dangerous, and happen during storms. What am I?
Answer: Lightning
Riddle: I carry energy from the Sun to Earth and keep you warm. What am I?
Answer: Heat
Riddle: I spin in the sky and control tides, but I am not the Sun. What am I?
Answer: Moon
Riddle: I am tiny, fast, and send messages in your body. What am I?
Answer: Neuron
Science Riddles For Adults
Riddle: I am invisible, yet I can bend space and slow time. What am I?
Answer: Gravity
Riddle: I am everywhere, I can change states, and I take the shape of my container. What am I?
Answer: Water
Riddle: I have mass but no shape, I fill all spaces, and you can feel me move. What am I?
Answer: Air

Riddle: I am made of atoms, but some of my kind can split and release huge energy. What am I?
Answer: Uranium
Riddle: I spin around a star, have moons, and sometimes rings. What am I?
Answer: Planet
Riddle: I can travel through space at 299,792 km/s, yet I have no mass. What am I?
Answer: Light
Riddle: I am tiny, powerful, and control the messages in your body. What am I?
Answer: Neuron
Riddle: I can make objects fall, keep planets in orbit, and shape the universe. What am I?
Answer: Gravity
Riddle: I am hot, bright, and billions of me make galaxies. What am I?
Answer: Star
Riddle: I am tiny, invisible, and sometimes harmful, but I can also help the environment. What am I?
Answer: Bacteria
Riddle: I can split atoms, release energy, and power cities. What am I?
Answer: Nuclear energy
Riddle: I am all around you, I can bend light, and without me, you cannot see. What am I?
Answer: Air
Riddle: I spin, have a strong pull, and keep satellites in orbit. What am I?
Answer: Planet’s gravity
Riddle: I am frozen water in motion, slowly carving valleys and shaping mountains. What am I?
Answer: Glacier
Riddle: I am fast, invisible, and carry energy from one place to another. What am I?
Answer: Electricity
Riddle: I am a particle smaller than an atom, I make up light and other forces. What am I?
Answer: Photon
Riddle: I control the rise and fall of oceans and orbit the Earth. What am I?
Answer: Moon
Riddle: I am a force you cannot see, but I can attract or repel. What am I?
Answer: Magnetism
Riddle: I am invisible, can travel through vacuum, and warm the Earth. What am I?
Answer: Infrared radiation
Riddle: I can cause chemical reactions, rust metal, and burn your skin. What am I?
Answer: Acid
Science Riddles For Middle Schoolers
Riddle: I can float in the sky, change shape, and bring rain. What am I?
Answer: Cloud
Riddle: I move without legs, can be strong or soft, and can push ships. What am I?
Answer: Wind
Riddle: I am very small, live everywhere, and some of me can make you sick. What am I?
Answer: Bacteria

Riddle: I am hot, bright, and give light to the Earth. What am I?
Answer: Sun
Riddle: I can change from solid to liquid to gas. I cover most of the Earth. What am I?
Answer: Water
Riddle: I spin in space, have oceans and continents, and make day and night. What am I?
Answer: Earth
Riddle: I can make objects fall and keep planets in orbit. What am I?
Answer: Gravity
Riddle: I have rings but no fingers, and I am a planet. What am I?
Answer: Saturn
Riddle: I am soft, wet, and can move slowly to shape valleys and mountains. What am I?
Answer: Glacier
Riddle: I can bend light to make things look bigger or smaller. What am I?
Answer: Lens
Riddle: I am invisible, surround you, and you breathe me every second. What am I?
Answer: Air
Riddle: I shine at night, orbit the Earth, and control the tides. What am I?
Answer: Moon
Riddle: I am tiny, fast, and carry messages in your body. What am I?
Answer: Neuron
Riddle: I can light up the sky, make loud sounds, and happen during storms. What am I?
Answer: Lightning
Riddle: I fall from the sky, sometimes soft, sometimes hard, and melt when it gets warm. What am I?
Answer: Snow
Riddle: I am tiny, make up everything, and cannot be seen with the naked eye. What am I?
Answer: Atom
Riddle: I am found in the air, help plants make food, and you breathe me too. What am I?
Answer: Carbon dioxide
Riddle: I spin in space, have moons, and sometimes rings. What am I?
Answer: Planet
Riddle: I am invisible, can push and pull, and help make electricity work. What am I?
Answer: Magnetism
Riddle: I can travel very fast, have no mass, and bring light to Earth. What am I?
Answer: Light
Tricky Science Riddles With Answers
Riddle: I can travel around the Earth without moving, and I can tell time. What am I?
Answer: Satellite
Riddle: I am invisible, but I can bend and twist, and without me, objects would float away. What am I?
Answer: Gravity
Riddle: I can be solid, liquid, or gas, yet I am the same substance. What am I?
Answer: Water

Riddle: I am tiny, but I can explode and release massive energy. What am I?
Answer: Atom
Riddle: I move faster than anything else, yet I have no mass. What am I?
Answer: Light
Riddle: I spin, I am made of gas, and I have rings, but I am not a star. What am I?
Answer: Planet
Riddle: I am invisible, I make objects move without touching, and I can attract or repel. What am I?
Answer: Magnetism
Riddle: I fall from the sky but do not get wet. I can be soft, hard, or frozen. What am I?
Answer: Snow
Riddle: I carry energy from one place to another without moving physically. What am I?
Answer: Electricity
Riddle: I am very small, I live in the air, water, and soil, and I can be helpful or harmful. What am I?
Answer: Bacteria
Riddle: I am far away, but I light up the night sky and give warmth to planets. What am I?
Answer: Star
Riddle: I spin all the time, yet I do not move forward. I help make days and nights. What am I?
Answer: Earth
Riddle: I am invisible, everywhere, and you need me to live. I fill your lungs every second. What am I?
Answer: Air
Riddle: I can split atoms, release energy, and power cities, but I can also be dangerous. What am I?
Answer: Nuclear energy
Riddle: I am soft, slow, and can carve mountains over thousands of years. What am I?
Answer: Glacier
Riddle: I shine at night, control tides, and orbit the Earth. What am I?
Answer: Moon
Riddle: I can bend light and make things look bigger, smaller, or upside down. What am I?
Answer: Lens
Riddle: I am tiny, invisible, and carry messages in your brain faster than a car can move. What am I?
Answer: Neuron
Riddle: I am in the air, plants use me to make food, and you breathe me too. What am I?
Answer: Carbon dioxide
Riddle: I can make things fall, control orbits, and shape the universe, yet you cannot see me. What am I?
Answer: Gravity