G4 Science Energy

2. this object lets you see all of the colors in a beam of light
6. a kind of energy;
8. a kind of circuit where if one light bulb doesn't work is unplugged, the others can still work
12. when heat is passed without the use of any matter
13. a back and forth motion
14. a kind of energy; warmth
17. when heat passes through two objects that are touching
20. the interaction between positively and negatively charged particles
21. when heat is passed through liquids or gases

1. the buildup of electrical charges is called _____ electricity.
3. objects that do not pass heat easily
4. when light bends while passing through an object
5. when light bounces off of an object
7. the flow of electrical charges is called electrical _____.
9. sound waves with a high frequency make this kind of pitch
10. sound waves with a low frequency make this kind of pitch
11. how sound passes through matter
15. a kind of energy; you can hear it
16. a kind of circuit where if one light bulb doesn't work is unplugged, the others will not work
17. electricity travels in a path called a _____.
18. objects that pass heat easily
19. a kind of energy; you can see it