Drag and drop the terms with the definitions.

	the angle at which light enters and strikes an object
	a form of interference that occurs when the crest of one wave overlaps with the crest of a different wave
	a form of interference that occurs when the crest of one wave overlaps the trough of another wave
	when a wave bends around an object
	the angle of the incoming wave must equal the angle it forms as an outgoing wave
	when a wave hits a surface and then bounces off it
	when a wave changes direction because of speed as it travels from one material to another
	a wave behavior that occurs when two waves are combined and form a new wave

Choices

destructive interference

reflection

diffraction

constructive interference

law of reflection

refraction

angle of incidence

wave interference

2) Select the best answer. _____ is responsible for people seeing specific colors.

	Reflection
	Refraction
	Diffraction

3)Select the best answer.

_____causes waves to spread out when they hit an obstacle.

	Refraction
	Diffraction
	Reflection

4)Select the best answer.

_____can cause objects to look bent, broken, smaller, or bigger.

	Reflection
	Refraction
	Diffraction

5)Select the best answer.

_____can create mirror images on smooth, polished surfaces.

	Diffraction
	Reflection
	Refraction

6) Select the best answer.

Which type of wave interferenceis this?

	constructive
	destructive

7)Select the best answer.

Which type of wave interference is this?

	destructive
	constructive