How physical processes How physical processes shape the coastlineshape the coastline

Learning objectives (LO)Learning objectives (LO)

Describe and explain the Describe and explain the difference between constructive difference between constructive and destructive waves.and destructive waves.

Explain how weathering and Explain how weathering and erosion affect the coastline.erosion affect the coastline.

CoastsCoasts

The coastline is in a state of The coastline is in a state of constant constant changechange. It is affected by . It is affected by waves,waves, tidestides and and also the also the weatherweather..

Along coasts the Along coasts the processes processes ofof erosion erosion, , transportation and depositiontransportation and deposition are always are always taking place. These processes create taking place. These processes create many different types of many different types of landforms.landforms.

WavesWaves

Waves

Types of Types of WavesWaves

What are the What are the differences differences between these between these waves?waves?

Constructive and destructive Constructive and destructive waveswaves

1.1. Add the key terms on page Add the key terms on page 14(brown box) to your key word 14(brown box) to your key word listlist

2.2. Use annotated diagrams to Use annotated diagrams to explain:explain:

a) constructive wavesa) constructive waves

b) destructive wavesb) destructive waves

Erosion , Transportation and Erosion , Transportation and DepositionDeposition

ErosionErosion: The wearing away of the coastline by the power of : The wearing away of the coastline by the power of the seathe sea

TransportationTransportation::

The movement of eroded material by the power of the seaThe movement of eroded material by the power of the sea

DepositionDeposition::

When the sea deposits(drops) the eroded material it is When the sea deposits(drops) the eroded material it is carrying(when the sea loses energy)carrying(when the sea loses energy)

Weathering: Weathering: The wearing away of the coastline by the The wearing away of the coastline by the action of the weather, plants or chemicalsaction of the weather, plants or chemicals

Erosion and processes

Weathering and erosionWeathering and erosion

There are 3 types of erosion: There are 3 types of erosion: abrasion, abrasion, attritionattrition and and hydraulic actionhydraulic action(see key (see key word list)word list)

1.1. Add these to your key word list using Add these to your key word list using p15p15

There are 2 types of weathering: There are 2 types of weathering: CorrosionCorrosion and and Wetting/dryingWetting/drying(see key word list)(see key word list)

2. Add these to your key word list2. Add these to your key word list

What affects the rate of What affects the rate of erosion?erosion?

Rock type:Rock type:

Shape of the coastline:Shape of the coastline:

Distance waves have travelledDistance waves have travelled

Explain the effects of each of these.Explain the effects of each of these.

How physical processes How physical processes shape the coastlineshape the coastline

Learning objectives (LO)Learning objectives (LO)

Describe and explain the Describe and explain the difference between constructive difference between constructive and destructive waves.and destructive waves.

Explain how weathering and Explain how weathering and erosion affect the coastline.erosion affect the coastline.