Science Riddles

Do you fancy yourself an expert puzzle-solver and consider yourself well-acquainted with the ins and outs of the world? Then it’s time to put it all to the test with these science riddles with answers! It doesn’t matter if you are an adult or a kid with a curious mind who enjoys games and learning about the universe; these science brain-teaser riddles will ignite your curiosity and spark your imagination!

Having a solid knowledge of biology, geology, astronomy, physics, chemistry, and so on can help solve these enigmas, but that won’t be enough. Otherwise, these would be more like school exams and less like funny brain teasers! You must also think outside the box and have a good sense of humor to understand the puns and wordplay that serve as clues to solve the mystery. Do you think you fulfill all the requirements to solve these science riddles?

32 Science Riddles With Answers

I am under your face and outside your mind. What am I?

Answer: Skull

Why did Carbon marry Hydrogen?

Answer: They bonded well from the minute they met.

I am the monster you cannot see, swallowing light so greedily. What am I?

Answer: Black Hole

Though invisible, I keep things near, a force that shapes the cosmic sphere. What am I?

Answer: Gravity

You heard me before, Yet you hear me again. Then I die, 'Til you call me again. What am I?

Answer: An Echo

What four periodic elements, when combined, make up something that terrifies criminals?

Answer: Carbon, Oxygen, Phosphorous, and Sulfur (C + O + P + S).

I’m a ball that can be rolled but never bounced or thrown. What am I?

Answer: An eyeball

I am a god, I am a planet, and I can measure the temperature. What am I?

Answer: Mercury

What kind of table has no legs?

Answer: Periodic

I am the third from a sparkle bright, I thrive throughout the day and night. Deep in the path of a cow's white drink. I've had thousands of millions of years to think. But one of my creatures is killing me. And so the question I ask to thee is: who am I?

Answer: Earth

Anyone can hold me, even without hands, but no one can do it for long. What am I?

Answer: Your breath

What can go up and down without moving?

Answer: The temperature

What an fill a room but takes up no space?

Answer: Light

What’s the loneliest of all physics concepts?

Answer: The singularity

Shiny like a silver, denser than lead, pricier than gold, could stop a bullet, if I wanted to. What am I?

Answer: Osmium

Why can't you trust an atom?

Answer: They make up everything.

What animal is made up of calcium, nickel and neon?

Answer: A CaNiNe

I make up three-fourths of the universe, but most of what I am is a mystery. What am I?

Answer: Dark energy

What’s the most boring element?

Answer: Boron

I am essential to life on earth! I am split into thirds. Two thirds are the same. One of the thirds is 8. The other two are 1 each. What am I?

Answer: Water

Racing through the heavens, shedding debris in my wake, when I hit your world's umbrella, a fiery show I make. What am I?

Answer: Meteor

Kids really love me because I make things float. You can even use me to expand small things. What am I?

Answer: Helium

What can eat a lot of iron without getting sick?

Answer: Rust

I may have twice the life-giving gas but I do not give life to you. However, without me, you will never have food. What am I?

Answer: Carbon Dioxide.

What do you do with a dead chemist?

Answer: Barium

Without this, H2O would just be 2O.

Answer: Hydrogen

It is very hard to create me, but I can’t be destroyed, I can only change form. What am I?

Answer: Energy

I catch fire easily but I protect cars in the cold. You can use me as a fuel and yet I am every distiller’s goal. What am I?

Answer: Ethanol

Why can’t you trust an atom?

Answer: They make up everything.

What did the scientist say when he found two atoms of helium?

Answer: HeHe

What are 10 things you can always count on?

Answer: Your fingers.

It's black when you get it, red when you burn it, gray when you’re done with it. What is it?

Answer: Charcoal

Science riddles are one of the best educational games to put your science knowledge to the test while having fun at the same time. In this collection, you will find mostly easy science riddles with answers, designed to be suitable family riddles to be enjoyed by parents and kids alike, so everyone can learn something new and let out a few chuckles or laugh out loud when the solutions to the enigmas catch them by surprise.

However, easy science riddles are not the same as easy riddles. The former requires a basic knowledge of the subjects at hand, which can be wide and varied because science encompasses many things.

Last Updated: Wednesday, September 18, 2024