Energy

Name ____________________

1.  What is Potential Energy? _____________________________________ What is Kinetic Energy?_______________________________________

2. Energy is measured in two units. They are ____________________ and _______________________. 

3. There are 3 laws of motion.  What is the first law? ______________________________________________________________________________________________________________________________

  What do you think that means? __________________________________
_______________________________________________________________

4.  What is velocity ?   ___________________________________

5.  When velocity is changing, the word ____________________ is used.

6.  When something speeds up it is called  _________________ velocity.  When something slows down it is called _____________ velocity.

7. When the molecules of one object pull on the molecules of another object, we call that ______________.  Click here to find the answer.

8.  _____________________ is a force that acts in an opposite direction to the way an object wants to move.  Click here for the answer.