Science riddles

It Is Energy and Motion...
Riddle:
It is energy and motion, it can fly across the ocean. It can listen and even speak, it can see and even seek. It eats neither fruit nor gruel, it eats energy and fuel. Better say: It doesn't eat; It is transformed into heat. What is it?
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What Force of Nature Am I?
Riddle:
The shape of my form will waver and bend By the things I’m destroying and those I will rend. My color changes from bright red to blue, The power I’m using will dictate my hue. What am I?
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The Man and the Bear
Riddle:
A man is sitting in a small house with 4 walls. All of the walls are facing south. There is a bear lurking near the house. What color is the bear?
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The Cat That Crossed a River
Riddle:
A boy stood on one side of a river, and his cat was on the other side. When the boy called his cat, it crosses the river right away. Moreover, the cat's fur remained completely dry, and it didn't use a boat, bridge, or any other manmade vessel or structure to cross the bridge. How did the cat do it?
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The Taxi and the Aardvark
Riddle:
What did the aardvark ask the taxi driver?
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Son of a Chemist
Riddle:
I am the son of a chemist and a mathematician. People call me iron 59. What is my name?
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Sands of Time
Riddle:
The prisoner was locked up in a room with a dirt floor. The room has one window, which is high up above the prisoner's height. The prisoner had a shovel, but he had only 2 days to get out, and digging would take him more than 5. How would he escape?
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Physicists At Sporting Events
Riddle:
What do physicists enjoy doing the most at sporting events?
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I Am a Ball That Can Be Rolled
Riddle:
I am a ball that can be rolled but never bounced or thrown. What am I?
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I Am Present in Marshes
Riddle:
I am present in marshes And also in the rumen of cattle To stop global warming I do very little. What am I?
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When Liquid Splashes Me, None Seeps Through
Riddle:
When liquid splashes me, none seeps through. When I am moved a lot, liquid I spew. When I am hit, color I change. And color, I come in quite a range. What I cover is very complex, and I am very easy to flex. What am I?
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I'm Unique in One Way
Riddle:
I'm unique in one way but you can find two of me in your daily drink. What am I?
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Femur and Patella
Riddle:
What did the femur say to the patella?
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I May Not Be Gold But I Make Gold Look More Beautiful
Riddle:
I may not be gold but I make gold look more beautiful. I help you fly and even though I'm not popular, my prices run high. What am I?
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Shiny Like Silver, Denser Than Lead
Riddle:
Shiny like silver, denser than lead, pricier than gold, could stop a bullet if I wanted to. What am I?
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Tree That Can Fit Into Your Hand
Riddle:
What kind of tree can fit into your hand?
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Ben Franklin
Riddle:
How did Ben Franklin feel after discovering electricity?
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Anyone Can Hold Me, Even Without Their Hands
Riddle:
Anyone can hold me, even without their hands, yet no one can do it for long. What am I?
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Element That’s Derived from a Norse God
Riddle:
What element is derived from a Norse god?
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Periodic Elements That Terrifies Criminals
Riddle:
When combined, these four periodic elements make up something that terrifies criminals?
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Loneliest Physics Concept
Riddle:
What is the loneliest of all physics concepts?
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A Tornado’s Favorite Game
Riddle:
What is a tornado’s favorite game to play?
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Chemical Element
Riddle:
What kind of chemical element hates to be a follower?
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Ten Things You Can Always Count On
Riddle:
What are ten things you can always count on?
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Rocks in the Mississippi River
Riddle:
What kind of rocks are on the bottom of the Mississippi River?
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I Can Be Hot, I Can Be Cold
Riddle:
I can be hot, I can be cold, I can run and I can be still, I can be hard and I can be soft. What am I?
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Neither Water Nor Land
Riddle:
What is neither water nor land, and is always soaking wet?
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The Son Of The Water
Riddle:
When the son of the water returns to the parent, it dies. What is it?
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I Touch Your Face. I Am In Your Words
Riddle:
I touch your face. I am in your words. I am a lack of space and beloved by birds. What am I?
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I Can Be Good For You, But I Can Also Be Bad For You
Riddle:
I can be good for you, but I can also be bad for you. You can find me all over your body. What am I?
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