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Across

6. when two waves combing to create a larger wave

7. when a wave contacts an object and transfers its energy from the wave to the object

9. interference when two waves combine to produce a wave of smaller amplitude

10. the size of a wave OR the maximum distance the wave gets away from equilibrium (center)

11. when a wave passes directly through an object changing its angle on the way in and out

Down

1. the number of waves passing any given point in one second

2. a wave that has oscillations perpendicular to the direction of travel

3. the distance from the crest to crest of a wave

4. when a wave contacts an object and bounces off the surface in a new direction

5. a wave with oscillations parallel to direction of travel.

8. the time it takes of a wave to complete one cycle

9. when a wave passes through an opening (or around) an object and changes direction