4. What is happening to the rock in all three cases?

5. The difference between weathering and erosion
Date
The difference between weathering and erosion
Weathering = ROCKS BREAK UP
Erosion = ROCKS WEAR AWAY

6. Can you think of what some of them might be?
Now the difficult bit….
Waves erode the coast in 5 main ways:
Can you think of what some of them might be?
The waves ‘bash’ sand and stones against the cliffs
As seawater is acidic, it dissolves the cliffs away
The water itself forces cracks apart
As the waves come up and down the beach, stones knock into each other
The waves scrape stones along the sea bed
Write this down under your previous note about weathering and erosion – LEAVE 2 LINES BETWEEN EACH NUMBER

7. Now add the terms to your notes
Can you match the words to the meanings?
Waves erode the coast in 5 main ways:
The waves ‘bash’ sand and stones against the cliffs
As seawater is acidic, it dissolves the cliffs away
The water itself forces cracks apart
As the waves come up and down the beach, stones knock into each other
The waves scrape stones along the sea bed
corrosion
abrasion
Now add the terms to your notes
corrasion
hydraulic action
attrition

8. Now… …how to remember the words and meanings

9. Corrasion Cor! Aaah!
Fire hydrant

10. Corrosion Chemical erosion Rock most susceptible? Why?

11. Hydraulic action Spelling – hydraulic not hydrolic
What does ‘hydr’ refer to?
Air in cracks compressed

12. Rock demo – angular or smooth
Attrition
Onomatopoeic?
Rock demo – angular or smooth

14. Abrasion
A medical term….