Match each vocabulary word with the correct definition.
inertia
refraction
heat
compression
1. tendency of an object to resist a change in motion
2. ability to do work
3. energy of vibrating molecules
4. bouncing of a wave off the surface of a substance
bending of a wave as it passes from one medium into
5.
another
part of the sound wave where the molecules are pressed
6.
closely together
7. part of the sound wave where the molecules are far apart
rarefaction
energy
reflection
8. force that resists moving one object against another
friction