what? why? where? who? key questions what is weathering? what is physical weathering? what is...
Post on 27-Mar-2015
258 Views
Preview:
TRANSCRIPT
What?
Why?Where?
Who?
Key questions
• What is weathering?
• What is physical weathering?
• What is chemical weathering?
• What is biological weathering?
Weathering?
• Weathering is the breakdown of rocks caused by different elements of the weather.
Freeze Thaw Weathering
What has happened to the tarmac?
•What is physical weathering?
Freeze Thaw Weathering
Onion Skin Weathering
What has happened to the rock layers?
Onion Skin Weathering
Biological Weathering
How is the rock being weathered?
Chemical Weathering
What is weathering?
Where is it?
How does weathering affect me?• Which type of weathering is responsible for ruining
your house?
• 1. Leaking drainpipes due to rust.• 2. Water freezes and can crack roof tiles• 3. Insects may burrow into timbers leading to
rotting.
Key questions
• What is weathering?
• What is physical weathering?
• What is chemical weathering?
• What is biological weathering?
What?
Why?Where?
Who?
top related