Waves Flashcards
1
Q
How are waves formed?
A
The wind blowing over the surface of the water creating friction. Ripples are created which turns into waves.
2
Q
Define swash.
A
Water rushing up a beach.
3
Q
Define backwash.
A
Water rushing back to the sea.
4
Q
What type of shape does a wave orbit take as it is approaching a shoreline.
A
From circular orbit to elliptical orbit.
5
Q
Describe two characteristics of a constructive wave.
A
Low spilling wave. Crests are far apart. Builds up beaches.
6
Q
Describe two characteristics of a destructive wave.
A
High spilling wave. Crests are close together. Destroys beaches.
7
Q
What is fetch?
A
The distance the wind blows over the water.
