Looking for a fun way to get your little ones excited about science? 🔬✨ These science riddles for kids are the perfect mix of learning and laughter!
Whether they’re solving brain teasers about gravity, giggling over chemistry puns, or cracking clues about animals and the solar system, these riddles turn complex topics into playful puzzles.
Designed to tickle young brains and spark curiosity, this collection will have kids thinking like little scientists — one riddle at a time. Ready to test those clever minds?
Let the science fun begin! 🧪🧠
Space and Planet Riddles

Space is full of mysteries! These riddles related to science will take you on a cosmic adventure.
- 🚀 I’m a ball of fire in the sky, giving light every day. What am I?
Answer: The sun - 🌍 I’m where you live, spinning in space. What am I?
Answer: Earth - 🌙 I glow at night and change my shape. What am I?
Answer: The moon - ⭐ I twinkle far away but don’t move. What am I?
Answer: A star - 🪐 I have rings and spin in space. What am I?
Answer: Saturn - 🌠 I streak across the sky with a tail. What am I?
Answer: A meteor - 🖤 I’m a hole in space that sucks everything in. What am I?
Answer: A black hole - 🌌 I’m a giant swirl of stars and dust. What am I?
Answer: A galaxy - 🛸 I zoom through space, built by humans. What am I?
Answer: A spaceship - 🌑 I’m the dark side you can’t see. What am I?
Answer: The far side of the moon
Science Riddles for Middle School

- Riddle: I’m not alive, but I grow. I don’t have lungs, but I need air. What am I?
- Answer: Fire 🔥
- Riddle: I’m made of 3 letters. Remove one, and I still sound the same. I help you see tiny things. What am I?
- Answer: Eye 👁️
- Riddle: I fall but never rise. I help plants drink and make the sky cry. What am I?
- Answer: Rain 🌧️
- Riddle: I have a nucleus, protons, and electrons, but I’m smaller than you can see. What am I?
- Answer: An atom ⚛️
- Riddle: I can be solid, liquid, or gas, and sometimes all three! What am I?
- Answer: Water 💧
- Riddle: I make up your genes and look like a twisted ladder. What am I?
- Answer: DNA 🧬
- Riddle: The more you take away from me, the bigger I get. I’m not science fiction—I’m in physics! What am I?
- Answer: A hole 🕳️
- Riddle: I orbit a star, have gravity, and might have moons. What am I?
- Answer: A planet 🪐
- Riddle: I keep things grounded but you can’t see me. Without me, you’d float away. What am I?
- Answer: Gravity 🌍
- Riddle: I have no bones, but I’m full of cells. I think, dream, and control it all. What am I?
- Answer: The brain 🧠
Weather Wonders Riddles

Weather changes every day! Can you solve these stormy, sunny riddles?
- ☔ I fall from clouds and make puddles. What am I?
Answer: Rain - ⚡ I flash in the sky with a loud boom. What am I?
Answer: Lightning - 🌬️ I blow leaves but can’t be caught. What am I?
Answer: Wind - ❄️ I’m cold, white, and float down slow. What am I?
Answer: Snow - 🌈 I’m colorful after the rain stops. What am I?
Answer: A rainbow - ☁️ I’m fluffy and drift in the sky. What am I?
Answer: A cloud - 🌩️ I rumble and shake the air. What am I?
Answer: Thunder - 🌞 I warm the day and chase clouds away. What am I?
Answer: Sunshine - 🌪️ I spin fast and lift things up. What am I?
Answer: A tornado - 💧 I’m tiny and make grass wet in the morning. What am I?
Answer: Dew
Animal Science Riddles
Animals are amazing scientists! These science riddles with answers explore their wild world.
- 🐝 I buzz and make sweet honey. What am I?
Answer: A bee - 🦇 I fly at night and use sound to see. What am I?
Answer: A bat - 🐙 I have eight arms and squirt ink. What am I?
Answer: An octopus - 🦎 I change colors to hide. What am I?
Answer: A chameleon - 🐘 I’m huge and use my trunk to drink. What am I?
Answer: An elephant - 🕷️ I spin webs with my own silk. What am I?
Answer: A spider - 🐦 I have wings and hollow bones to fly. What am I?
Answer: A bird - 🐬 I swim and talk with clicks. What am I?
Answer: A dolphin - 🐛 I crawl, then fly after a big change. What am I?
Answer: A butterfly - 🦁 I roar and rule with sharp teeth. What am I?
Answer: A lion
Body and Health Riddles

Your body is a science lab! These riddles on science are all about you.
- ❤️ I pump blood all day long. What am I?
Answer: The heart - 🧠 I think and dream inside your head. What am I?
Answer: The brain - 👀 I help you see the world. What am I?
Answer: Eyes - 🦷 I chew your food and shine when you smile. What am I?
Answer: Teeth - 🦴 I’m hard and hold you up. What am I?
Answer: Bones - 👃 I smell cookies and flowers for you. What am I?
Answer: The nose - 🫁 I breathe air in and out. What am I?
Answer: Lungs - ✋ I grab and wave every day. What am I?
Answer: A hand - 👂 I hear birds and your friends. What am I?
Answer: An ear - 🏃♂️ I run and jump with power. What am I?
Answer: Muscles
Earth Science Riddles
The Earth is alive with science! Dig into these rocky riddles.
- 🌋 I’m hot and spit lava. What am I?
Answer: A volcano - 🪨 I’m hard and found underground. What am I?
Answer: A rock - 🌊 I’m salty and cover most of Earth. What am I?
Answer: The ocean - 🏔️ I’m tall and snowy at the top. What am I?
Answer: A mountain - 🌳 I grow tall and make oxygen. What am I?
Answer: A tree - 🏜️ I’m dry with lots of sand. What am I?
Answer: A desert - 💎 I’m shiny and rare in the ground. What am I?
Answer: A diamond - 🌧️ I flow and carve the land. What am I?
Answer: A river - 🌍 I’m the dirt where plants grow. What am I?
Answer: Soil - 🔥 I burn deep inside Earth. What am I?
Answer: Magma
Light and Sound Riddles
Light and sound are everywhere! These riddles make them fun to explore.
- 💡 I brighten rooms and chase shadows. What am I?
Answer: Light - 🌈 I split light into colors. What am I?
Answer: A prism - 🔊 I travel through air and make noise. What am I?
Answer: Sound - 🕶️ I’m dark and follow you on sunny days. What am I?
Answer: A shadow - 🎵 I’m high or low when you sing. What am I?
Answer: Pitch - 🪞 I show your face with light. What am I?
Answer: A mirror - 🔈 I bounce off walls and repeat. What am I?
Answer: An echo - 🌟 I sparkle and bend in water. What am I?
Answer: Light - 🎤 I make your voice loud for all. What am I?
Answer: A microphone - 🌅 I paint the sky at dawn. What am I?
Answer: Sunlight
Energy and Motion Riddles
Energy keeps the world moving! These riddles spark your curiosity.
- ⚡ I zap and power your toys. What am I?
Answer: Electricity - 🚗 I roll and need fuel to go. What am I?
Answer: A car - 🔥 I’m hot and help cook food. What am I?
Answer: Fire - 🌬️ I spin turbines high in the sky. What am I?
Answer: Wind - ☀️ I warm Earth from far away. What am I?
Answer: Solar energy - 🏃 I’m fast when you run. What am I?
Answer: Speed - 🪁 I lift kites high with push. What am I?
Answer: Wind - 🔋 I store power for your games. What am I?
Answer: A battery - 🚀 I blast off with a big push. What am I?
Answer: A rocket - ⚙️ I turn and make things work. What am I?
Answer: A gear
Fun Experiment Riddles
Experiments are science in action! These riddles are hands-on fun.
- 💧 I mix with soap and make bubbles. What am I?
Answer: Water - 🎈 I float when you heat me up. What am I?
Answer: Hot air - 🧪 I bubble and fizz with vinegar. What am I?
Answer: Baking soda - 🔍 I make tiny things look big. What am I?
Answer: A magnifying glass - 🧲 I pull metal close to me. What am I?
Answer: A magnet - 🌋 I erupt with a fizzy mess. What am I?
Answer: A volcano model - 🍋 I power a light with sour juice. What am I?
Answer: A lemon - 🥚 I float in salty water. What am I?
Answer: An egg - 🛠️ I spin and lift with a twist. What am I?
Answer: A screw - 🌈 I shine through water drops. What am I?
Answer: Light
Conclusion
This article is your ticket to a science-filled adventure! With 80 riddles about space, weather, animals, and more, you’ve got plenty to share and solve.
They’re easy enough for kids to enjoy and explain, yet packed with cool science facts to keep everyone curious.
Whether you’re puzzling alone or with family, these riddles make learning a blast—keep exploring the wonders of science!