Coastal Environments Review

What processes do waves do?

• Erode, Transport, Move

• Transport, Erode, Deposit

• Deposit, Fetch, Erode

• Erode, Weather, Deposit

When a wave moves up the beach, it is called the

When a wave moves back down the beach under gravity, it is called the

Constructive waves have a strong_____ and weak _____

Destructive waves have a strong_____ and weak _____

Destructive waves cause much of the erosion along a coast. They erode in 3 different ways:

Answer explanation

hydraulic action - this results from the force of the waves hitting the cliffs and forcing pockets of air into cracks and crevices

abrasion - this is caused by waves picking up stones and hurling them at cliffs and so wearing the cliff away

corrosion/solution - the dissolving of rocks by sea water

Attrition is...

Answer explanation

When material carried by waves become rounded and smaller over time as it collides with other material. It forms small pebbles and sand.

Explain the process of longshore drift (3)

Answer explanation

Freeze-thaw, the growth of salt crystals, acid rain and the growth of plant roots can also break down rocks. This is called:

Answer explanation

Rock falls, landslides and slumping are all examples of

• Land erosion

• Mass movement

• Erosion caused by rain

• Material movement

Answer explanation