Question

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The three ways waves change direction are reflection, refraction, diffraction.

In 3-5 complete sentences, compare those three ways that waves change direction.

Answer 1

Reflection is a change in direction of a wave between 2 different objects that is the wave returns to the medium from which it begins.
Refraction is when a light travels from air into the water it slows down causing it to change direction slightly.
Diffraction involves a change in direction of waves as they pass through an opening.

Answer 2

Reflection is a change in direction of a wave between two different objects that is the Wave returns to the medium from which it begins.
Refraction is When a light travels from air into water it slows down causing it to change direction slightly.

Diffraction Involves a change in direction of waves as they pass-through and opening.