G4 Science Energy

3. when light bends while passing through an object
6. the interaction between positively and negatively charged particles
8. objects that do not pass heat easily
10. a kind of circuit where if one light bulb doesn't work is unplugged, the others can still work
12. a kind of energy; warmth
13. the flow of electrical charges is called electrical _____.
14. this object lets you see all of the colors in a beam of light
16. a kind of energy;
17. a kind of energy; you can hear it
18. a back and forth motion
20. when light bounces off of an object
21. a kind of energy; you can see it
22. sound waves with a low frequency make this kind of pitch

1. objects that pass heat easily
2. electricity travels in a path called a _____.
4. how sound passes through matter
5. the buildup of electrical charges is called _____ electricity.
7. a kind of circuit where if one light bulb doesn't work is unplugged, the others will not work
9. when heat passes through two objects that are touching
11. when heat is passed without the use of any matter
15. when heat is passed through liquids or gases
19. sound waves with a high frequency make this kind of pitch