100+ Science Riddles to Test Your Knowledge and Enjoy the Challenge" page 4 of 7

You can’t see me, but I can see you riddle

You can’t see me, but I can see you. To be more specific, I see through. What am I? –

 What is the chemical symbol for potassium?

The chemical symbol for potassium is K.

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

What is the name of the force that causes an object to move in a circular path?

What is the unit of measurement for frequency?

What is the name of the force that causes objects to float in liquids or gases?

What is the process by which rocks are broken down into smaller pieces by physical means?

When two light nuclei become one, I liberate quite a bit of nuclear energy. What am I?

What is the process by which organisms convert food into energy?

What is the chemical symbol for potassium?

What is the speed of light in a vacuum?

Approximately 299,792 kilometers per second.

 What is the SI unit of electric charge?

What is the study of the structure of the body and its organs called?

What are the only two periodic elements to have the state of a liquid?

What is the unit of measurement for pressure?