Can you solve these physics riddles? Test your knowledge of gravity, electricity and Newton's laws with this collection of challenging puzzles.
It keeps you on the ground and stops things from floating around. What is it?See answer
I am the first you ever saw, what greets you every morning and what goes out in the end. What am I.See answer
Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers, magazines, and journals. What am I?See answer
What is the center of gravity?See answer
I come in many shapes, sizes, and colors. I stick to many surfaces but I am, in fact, not sticky at all. What am I?See answer
How does Einstein begin a story?See answer
Many have heard me, but nobody has seen me, and I will not speak back until spoken to. What am I?See answer
Looks like water, but it's heat.
Sits on sand, lays on concrete.
People have been known,
To follow it everywhere.
But it gets them no place,
And all they can do is stare.
Lives without a body, hears without ears, speaks without a mouth, to which the air alone gives birth. What is it?See answer
You saw me where I could not be.
Yet, often you see me.
What am I?
What cannot talk but will always reply when spoken to?See answer
Many hear me, but no one sees me, and I only speak when spoken to. What am I?See answer
I can fill a room but take up no space.
Look out at night, and I am in no place.
What am I?
Be sure to shout for its answers are weak, but there is no language it cannot speak.See answer
Some people avoid me, some people count me, some people just consume me. What am I?See answer
Use me if you really want to see inside someone. What am I?See answer
I can fill any space, float, and disappear. Never touching the ground I help others get around. What am I?See answer
You can see me in water, but I never get wet. What am I?See answer
Where does bad light end up?See answer
You can see nothing else when you look in my face,
I will look you in the eye and I will never lie.
What am I?
You heard me before, and then again. Afterward I die, until you call me again. What am I?See answer
I am what bring things together. Without me everything you see would be a total mass or debris everywhere. What am I?See answer
The higher I climb, the hotter I engage. I cannot escape from my crystal cage.See answer
What looks back but cannot see?See answer
What can go through glass without breaking it?See answer
I only exist when you are here. Where you never were, I can never be. What am I?See answer
Hearing something unexpected or touching a live wire can have this effect.See answer
Before I came, the world was darker, that's true. But beware, I can also kill you. What am I?See answer
Makes apples fall from trees.See answer
What can be measured but has no length, width or height?See answer
What is the name of the first electricity detective?See answer
Why can't you trust an atom?See answer
How many theoretical physicists specializing in general relativity does it take to change a light bulb?See answer
I drift forever with the current and flows to your everyday life. I make living easy but I am good at killing people too. What am I?See answer
Download a printable version of these riddles.Physics Riddles.pdf