1. types of waves

Coastal

1.1a Types of wave: constructive and destructive.

Specification Detail

To describe the characteristics of the two wave types.

To explain their impact on beach profiles.

Learning Objectives

Backwash

Swash

Note: Backwash is always at right angles to the beach

Swash and backwash p. 43

Types of waves

TASK . Watch video You tube: Here

Draw diagrams of constructive and destructive waves, and label these to contrast the beach profiles and wave height /wave length.

TASK: Demonstrations● Using your arms how can you

demonstrate Constructive and Destructive waves and their effect on the beach?

What do you know about waves?

Can you now…

To describe the characteristics of the two wave types.

To explain their impact on beach profiles.

Can you explain which type of wave has reached this coastline? (4 marks)

Photo 1.1Photo 1.2

‘Explain’When you see a question with ‘Explain’, 1. Check how many marks it is worth.2. Imagine I said ‘explain how you got to school today’

You would want to ‘explain’, that:I got in the family car that was driven by my mum , once I had done that, we drove on the A3. This lead to Kingston hill road where we turned and parked. As a result of this journey, I arrived at school on time. 3. By using the connector words, ‘explain’ which type of wave has reach this coast line.Remember to use connector words such as:

As a result…Because of this…Due to this…This leads to…

Can you now…

To describe the characteristics of the two wave types.

To explain their impact on beach profiles.