Introduction to Coasts + Process that shapes the coast!

Question 1

What is Swash?

Answer 1

Movement of waves up the beach to form larger beach!

Question 2

What is backwash?

Answer 2

Movement of waves down the beach, make beach smaller!

Question 3

What is Constructive Waves?

Answer 3

Strong swash and weak backwash. Add materials to beach

Question 4

What is destructive waves.

Answer 4

weak swash and strong backwash, remove materials.

Question 5

What is biological weathering?

Answer 5

Plants roots grow in cracks in rock, rock breaks apart.

Question 6

What is Chemical Weathering?

Answer 6

Acids from the rain dissolves the rock.

Question 7

What is mass movement?

Answer 7

Movement of sediment downhill due to force of gravity.

Question 8

List 4 types of mass movement!

Answer 8

1. Rotational Slip
2. Landslide
3. Rockfall
4. Mudflow

Question 9

What is Rotational Slip?

Answer 9

Occuring in areas of soft rock. Areas of saturated soil, slumps downhill in a curved motion!

Question 10

What is Landslide?

Answer 10

Entire portions of slope slide downhill!

Question 11

What is Rockfall?

Answer 11

Freeze-thaw weathering causing fragments of rock to break away from the cliff face and tumble down it!

Question 12

What is Mudflow?

Answer 12

After heavy rain… saturated soil, mud and weak rocks flow downhill!