Geography - The sea Waves

Question 1

definition of a constructive wave

Answer 1

A constructive wave has a stronger swash than backwash meaning it deposits material along the coastline

Question 2

Definition of a destructive wave

Answer 2

waves in which backwash is stronger than the swash destructive waves erode material and carry it away

Question 3

Explanation for coastline

Answer 3

The sea is constantly shaping the coastline. Waves transport, erode and deposit material along the coastline.

Question 4

waves definition

Answer 4

Waves are formed by the wind, moving across the surface of the sea. The distance of open sea over which the wind blows is called fetch, waves with the greater fetch are stronger.

Question 5

Explanation of what happens when a wave reaches the shoreline

Answer 5

when a wave reaches shallow water, the front of the wave meets the seabed, causing it to break as it moves toward the shore

Question 6

Swash and backwash definition

Answer 6

When a wave breaks the water that rushes up the beach is known as swash. The water that runs back down the beach is known as backwash.