1. Q: What has happened to each of these rocks & why?
HW: Find out what type of weathering occurs
at the edge of Wast Water, Cumbria and what does it form?
New Topic: The Landscape!
Key Question: What are the main types of weathering? A B C D
Key Words:
Weathering
Erosion
Biological
Physical
Chemical
In-situ
Q: What has happened to each of these rocks & why?

2. Why does this landscape look like it does?
Starter
Why does this landscape look like it does?
What has happened to it?
Watch the video
Write down a definition of weathering in your margin.

3. What is weathering?
Weathering is the gradual…………………………….. of rocks ……………. by physical, c………………… and …………………… processes. It releases sediment that can form ……………………….. rocks.
breakdown
in-situ
hemical
biological
sedimentary
Biological Weathering (by plant roots and organic acids)
Chemical Weathering (carbon dioxide mixing with water in the atmosphere to make carbonic acid)
Physical Weathering (by freeze/ thaw producing angular fragments)

4. TASK 1
Types of Weathering
Now Explain each of these types in your book
P.42
- Physical weathering is…….
Biological weathering is…..
Chemical weathering is…….

5. Weathering Products PAIRS TASK:
Physical Weathering
Produces angular fragments and will vary in size
e.g. Granite
PAIRS TASK:
On mini WB What are the minerals in granite and how will each weather? P.44 helps
Chemical Weathering
Produces:
Elements in solution
New minerals
Residue
Rocks Produced?

6. Title: Physical Weathering
TASK 3
Page 43.
Title: Physical Weathering
1. Draw a series of cartoons to explain Frost Shattering.
2. Explain how exfoliation ‘onion skin’ weathering operates?
Title: Chemical Weathering
1. Complete your worksheet on chemical weathering and glue it in.
Extension: Why is weathering also known as landform creation?

7. What do you think the difference between weathering and erosion is?
Erosion is the removal of broke-up rock by rivers, ice, wind, the sea and by Man!

8. Grey in colour contains fossils
Plenary
Rock:
Grey in colour contains fossils
Fizzes with HCl
By which method of weathering is this most likely to have formed and why?