8th grade Ch 17

5. mechanical waves move through solid, liquid and _____.
8. A complete path of the motion of a spring system is called a_____.
10. wave requires matter to transmit energy
12. intentionally works against the motion of a system
13. The maximum displacement of a spring from its equilibrium position is called its _____.
15. A force causes an object to ______ at greater amplitudes is an example of resonance
19. the period of motion of a minute hand on a clock one _____.
20. Without ________ a spring system would oscillate forever.
21. Mass and ______ determine the period of a spring system.

1. an ocean wave is an example of a ______ wave.
2. A region of low density and pressure is affected by a longitudinal wave is an example of _____.
3. in a longitudinal waves the movement moves _____ .
4. A _____ oscillator intentionally decreases the amplitude of the oscillations.
6. the lowest point of a wave
7. Simple _______ motion is when the restoring force is proportional to its displacement.
9. after wave has passed, matter _______ in its original position.
11. The bending of waves through an opening is an example of____.
14. How many times will a spring system pass through the rest position in four cycles of motion
16. When two waves ______ where they overlap is called interference
17. the highest point of a wave
18. a wave that has a higher amplitude transfers more _____.