Introduction to Coasts KS3

What are the two types of wave called?

• Red and Green

• High and low

• Big and little

• Constructive and Destructive

What is the definition of a coast?

• Where a river meets the sea

• A place to go fishing

• A narrow band of land where the sea meets the land

• A popular place where people visit in the summer time

Why do we need to protect coastal areas?

• People like to eat fish and chips there

• They are areas of settlement, lots of people live there

• They provide habitats for wildlife

• They are popular tourist destinations which brings income to the area

How many people in the UK live in coastal regions?

• 100

• Around 3 million

• 200,000

• Around 1 Billion

How much of the UK is coastline?

• 100km

• 17,820km

• 100,000km

• 5km

What do waves need to form?

• Boats

• A strong wind, a long fetch and a length of time for the wind to blow

• A tsunami

• An earthquake

Longshore drift involves what process? (hint: focus on drift)

• Transportation of material

• Erosion

• People

• Depositing material

What influences the size and shape of waves?

• The sun

• The size of the beach

• Coastal erosion

• How long the wind has been blowing, the strength of wind and how far the wave has travelled.

What forms of coastal erosion take place?

• Hydraulic action

• Attrition

• Abrasion

• Solution

What is the 'swash'?

• When a wave breaks, water is washed up the beach

• When the water runs back down the beach

• When water deposits material

• The erosion of the coast