Coasts (geomorphological processes)

Question 1

Which transportation processes rolls large rocks and boulders along the river bed?

Answer 1

Traction

Question 2

………………………. is when pebbles bounce along the river bed.

Answer 2

Saltation

Question 3

………………………. is when very fine sand and silt is carried along within the body of the river water.

Answer 3

Suspension

Question 4

Longshore drift is……

Answer 4

… the movement of sediment along the coast.

Question 5

What are the five main processes of sediment transportation?

Answer 5

1. Traction
2. Saltation
3. Suspension
4. Solution
5. Flotation

Question 6

Which landform completes this set:

Cave, arch, stack and …?

Answer 6

Stump

Question 7

In longshore drift, the …….(1)……. comes in at an angle, while the ………(2)…….. goes back down the beach at right angles.

Answer 7

(1) swash

(2) backwash

Question 8

When an arch collapses, it will leave a ………….. out in the sea.

Answer 8

Stack

Question 9

Which two erosion processes are most important in the formation of an arch?

Answer 9

Hydraulic action and abrasion

Question 10

True or false?

A spit can occur off a bend in a headland.

Answer 10

True

Question 11

Can you draw a diagram to show the formation of a cave, arch, stack sequence?

Answer 11

Hopefully, yes!

Question 12

What landform would you find in the sheltered area between two headlands?

Answer 12

A beach

Question 13

How would you describe a CONSTRUCTIVE wave?

Answer 13

Small
Gentle
Less than 1m high
Less than 10 waves per minute

Question 14

What name would you give to a wave that is over 1m tall, powerful and erosive?

Answer 14

Destructive wave