Refraction
2 marks · EasyWhen water waves pass into a region where the water is deeper, describe what happens to the speed and direction of the waves.
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The waves speed up in deeper water and their direction changes (they bend) due to refraction.
Also accept: Speed increases and direction changes/bends.
Common mistakes: Saying speed decreases
Show mark scheme and worked solution
Marking points
B1 · 1 mark · States speed increases in deeper water.
B2 · 1 mark · Mentions direction changes/bending/refraction.
Worked solution
The waves travel faster (speed up) in deeper water and their direction changes due to refraction.