Whether you’re a budding nutty professor or you only have the remnants of high school science rattling around your memory, this bumper crop of the best science riddles will be sure to entertain family and friends.
Biology, physics, chemistry – these three words may fill you with dread, but we’ve all had to plunge into our studies of each science subject. But how much do you think you remember about these topics?
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Put yourself to the test with these 47 science riddles with answers.
Riddles certainly add another dimension to understanding these topics, so let’s put those science goggles on and head over to the lab to see what you remember!
Let’s go!
Table of Contents
Related: Detective riddles
Biology Science Riddles (with Answers)
Let’s kick things off with some biology-based riddles. For some of us, it was the highlight of the week, diving into biology class, but for others, it was the worst! Either way, we all had to do our time in biology class.
These biology science riddles (with answers) will tease and titillate you to no end. So let’s get started.
1. I am a gas that is essential for plants - but I can’t be bought at the gas station. What am I?Carbon dioxide2. What are 10 things that you can always count on?Your fingers3. What can you hold for no longer than a few seconds?Your breath4. I am hard as a stone but you can find me on your body. What am I?5. I am needed for flight but cannot fly on my own. What am I?6. I am under your face and outside your mind. What am I?Your skull7. I love to roam, but I always stay home. If you carried what I carried, you’d end up breaking your back! What am I?8. I’m great at tasting but horrible at smelling. What am I?9. What is neither water nor land but is always soaking wet?10. I can be good for you, but I can also be bad for you, and you will find me wherever you go. What am I?11. I touch your face. I am in your words. I am a lack of space and beloved by birds. What am I?12. What goes around and around the wood but never goes into the wood?The bark of a tree13. What has a mouth but can’t chew?14. If you give it food, it’ll live - if you give it water, it will die. What is it?15. What kind of tree can fit in your hand?A palm tree16. What is full of holes but still holds water?
Physics Science Riddles (with Answers)
Physics makes the world go round – quite literally!
Channel your inner Einstein and see how many of these head-scratching physics science riddles you think you can get right.
1. Lots of people have heard it, but no one has seen it. It will not speak back unless spoken to. What is it?2. You can’t see me, I can’t be touched, you can’t feel me - but I cook your lunch. What am I?A microwave particle3. What is the center of gravity?The letter V4. Which is heavier, a ton of feathers or a ton of rocks?They both weigh the same5. I can be hot, I can be cold, I can be hard, and I can go through anything. What am I?6. It is very hard to create me, but I can’t be destroyed - I can only change form. What am I?7. You can’t see me - but I can see you. To be precise - I can see right through. What am I?8. You can find me in Mercury, Earth, Mars, and Jupiter. You can’t find me in Neptune or Venus. What am I?The letter R9. What goes up and down without moving?The temperature10. I am a god, I am a planet, and I can measure the temperature. What am I?11. I make up almost ¾ of the universe, but no one knows anything about me. What am I?Dark energy12. Which concept in physics is the loneliest?The singularity13. What period of time is the lightest?A light year14. I am the equivalent of a one-way street in the universe. What am I?A black hole15. What is a priest’s favorite thing about physics?
Chemistry Science Riddles (with Answers)
Surely chemistry was everyone’s favorite science subject at school?
Who doesn’t love combining chemicals, creating fireballs, and working out how to make things like fireworks!
Well, if it was your favorite at school, we’d love to see how well you do with this batch of chemistry science riddles with answers.
1. What can eat a lot of iron without getting sick?2. What chemical doesn’t like to follow?3. What is black when you get it, red when you use it, and grey when you are finished with it?4. Which two elements heal?Helium and Aluminium (HE + AL)5. I am as hard as a rock, but when you heat me up I melt. What am I?An ice cube6. Which is faster, hot or cold?Hot, because you can catch a cold7. What happened when the chemist read the book about helium?He couldn’t put it down8. Which element is the most boring one?9. Which element is derived from a Norse god and a Marvel hero?10. What number do Nickel and Neon make when they’re combined?11. What do you do with a dead chemist?You Barium!12. I’m an individual on my own - but you can find two of me in your daily drink. What am I?13. I am bigger than a Daim but worthless. What am I?14. I’m essential for healthy bones and teeth, and you can find me in every dairy product. What am I?15. I can be sparkling, I can be still, I am a liquid, and something you can spill. What am I?16. I come as a gas, and I’m in line with Neon. I’m also the home of a very Super man. What am I?
Science Riddles for Kids
If you’ve enjoyed this batch of science riddles, then we reckon you’ll love these:
- 37 Detective Riddles
- Animal Riddles with Answers
- Math Riddles with Answers
- Lateral Thinking Puzzles (Easy and Hard)
How did you get on with this bumper batch of science riddles? We hope that you’ve enjoyed returning to the lab and trying your luck in the different areas of scientific study!
If you want to try out more riddles, then take a look at the links above – they’ll be sure to keep you and your friends or family entertained!
Otherwise, for more science riddles, check out the Science Riddles and Trick Questions for Kids book.
