Adv: Unit 8 Waves

2. the rainbow's name - tells you the colors in order of long to short wavelength
7. "light waves"; both visible and invisible
11. is a property of matter that comes in many forms; sound, light, heat
12. the traveling of energy from one place to another
13. waves that give humans sunburn or cancer
17. waves used to identify broken bones
19. this is an example of sound being reflected
21. this is when sound passes through matter
24. anything with mass and volume
26. energy cannot be created or destroyed, only ______
28. light speed is _________ in gas
30. what is a part of our eyes that allows us to see color
31. light waves that change direction when it hits something
33. color with the shortest wavelength and highest frequency
34. all colors are being reflected, no absorption is happening
35. a change in the movement of light as it passes through different mediums
37. thermal energy cycles of hot fluids rising & cold fluids sinking
39. an example of light reflection
41. matter with closely packed particles and low movement
42. all colors are being absorbed, no reflection is happening
43. matter with loose particles that flow
44. the height of the wave
48. sound speed is _________ in gas
49. waves that occur during explosions
50. an example of light refraction

1. thermal energy that travels through contact
3. particles of light waves
4. heat _______ from hot to cold
5. color with the longest wavelength and lowest frequency
6. the amount of waves that pass a point per second
8. the top of the wave
9. two forces pulled toward each other based on mass and distance in between
10. matter with particles far apart and high movement
14. energy that humans can see with their eyes
15. the passing of thermal energy
16. is the amount of space something takes up
18. waves used for communication & technology
20. waves that carry thermal energy
22. when light is converted into thermal energy
23. the distance from one crest to the next in a wave
25. when sound is being absorbed, it is . . .
27. energy that travels through space
29. waves used for space communication & cooking
32. when this part of the rainbow is reflected off an object, we see that as its . . .
36. energy that is passed by particles bumping into each other
38. heat energy
40. most of the waves the sun emits is ______ to us
45. is the amount of particles something has
46. the electromagnetic spectrum is a _______ of all the visible and invisible light waves
47. light travels in a _________ line unless something one of three things occur