Coasts

Question 1

What creates waves?

Answer 1

Wind blowing over the sea or storms over the sea

Question 2

What factors influence wave energy?

Answer 2

Fetch- the distance between the wave and shore -The could get more energy the further the fetch is.
The wind speed- the speed of the wind -the wind could give the wave its energy.

Question 3

What are the characteristics of constructive waves?

Answer 3

They are not very strong
Low wave
gentle surging forwards

Question 4

What are the characteristics of destructive waves?

Answer 4

They are powerful
High wave
Strong surging forwards

Question 5

What are the four erosional processes?

Answer 5

Hydraulic action
Abrasion
Attrition
Solution

Question 6

What is hydraulic action?

Answer 6

They force water into cracks in the rock. That helps to break it up.

Question 7

What is solution?

Answer 7

They dissolve soluble material from the rock.

Question 8

What is attrition?

Answer 8

Chunks of rock get knocked together and worn into smaller and smaller bits. They end up as shingle (pebbles)
a n d sand

Question 9

What is abrasion?

Answer 9

They fling sand and pebbles against the rock. These wear it away like sandpaper.