Year 8 Revision - Geog

Year 8 Revision - Geog

Year 8 Revision Summer exam COASTS Do you know your definitions Swash and backwash

Backwash Swash Note: Backwash is always at right angles to the beach Processes of erosion

Corrosion Hydraulic action Processes of erosion

Attrition Abrasion Headlands and bays Cliffs

Caves, arches, stacks and stumps 1 2 This is a cave (Stair Hole).

3 This is an arch (Durdle Door). 4

This is a stack (Old Harry). These are stumps. Longshore drift Direction of movement

Backwash is always at right angles to the beach swash Backwash This movement of sediment along the coastline is

called longshore drift. How can we protect the coast? How do the ways on the next slide actually work? The options...

Rip rap Sea wall Groynes Gabions

Stone revetment DO NOTHING! Beach nourishment PEOPLE AND THE PLANET

PEOPLE AND THE PLANET Population Basics Birth rate is the number of births per 1000 Death rate is the number of deaths per 1000 Natural increase happens if there are more births than deaths

If there are more births than deaths the population will grow. Most countries have a growing population Will The population in a country grow IF

Everyone gets better food War happens

Deadly disease spreads There is famine and drought There are more doctors and hospitals Contraception is provided Women are educated Death rate and birth rate

How can govenrnments increase and decrease these? What is global warming? What is the definition? What causes it? What are these?/Which is the odd one out?

pond desert biome deciduous forest ice-cap

desert tropical tundra black green

Layers of the TRF How much do you know about TRFs? Where? What is happening to them?

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