Waves

Question 1

How are waves created?

Answer 1

by the wind blowing over the surface of the sea. The friction between both causes the circular motion of water.

Question 2

What is fetch?

Answer 2

The maximum distance of sea the wind has blown over in creating the waves

Question 3

Features of constructive waves?

Answer 3

low frequency (6-8 waves per min)
long and low
more elliptical cross profile
powerful swash

Question 4

Features of destructive waves?

Answer 4

high and steep
circular cross profile
higher frequency (10-14 waves per min)
strong backwash