Review for Science Test: Chapter 10

1.      Energy that you can hear is ______. (sound)

2.      Heat is one find of ______. (energy)

3.      When light hits an object, some of it bounces off or ______. (reflects)

4.      To make heat, a fire needs to burn ______. (fuel)

5.      A musical instrument makes sound when its parts ______. (vibrate)

6.      The highness or lowness of a sound is its _____. (pitch)

7.      You can make solid ice cream melt by adding _____. (heat)

8.      A kind of energy that moves in straight lines is called _____. (light)

9.     Which is not a kind of energy? (matter)

10.      Where does much of Earth's heat and light come from?______.( sun)

11.    What happens when light moves through water? (Refraction happens)

12.    What kind of sound do big vibrations make? (loud sounds)

13.     Name two ways that you use heat. (examples: to keep warm, to cook food, to change a state of matter)

14.      Name two sources of light. (examples: Sun, fire, electric lights)

15.    How is sound made? (Sound is made when something vibrates)

16.     Describe how heat is changing the state of water in the pictures.

First picture: a pan of water boiling on a stove (Adding heat to the liquid water makes it change into a gas)

Second picture: Ice cubes in a freezer (Removing heat from liquid water makes it change into a solid)