What is happening to the rock in all three cases?
The difference between weathering and erosion Date The difference between weathering and erosion Weathering = ROCKS BREAK UP Erosion = ROCKS WEAR AWAY
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
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
Now… …how to remember the words and meanings
Corrasion Cor! Aaah! Fire hydrant
Corrosion Chemical erosion Rock most susceptible? Why?
Hydraulic action Spelling – hydraulic not hydrolic What does ‘hydr’ refer to? Air in cracks compressed
Rock demo – angular or smooth Attrition Onomatopoeic? Rock demo – angular or smooth
Abrasion A medical term….