B1L Weathering and erosion

• aardrijkskunde
• Middelbare school
• havo
• Leerjaar 1

Weathering

Erosion

What will you learn today?

After this lesson you can:

- explain the key words 'weathering' and 'erosion' in your own words

- tell someone how the processes of weathering and erosion work

- discribe 3 different kinds of weathering

- discribe the main difference between chemical and physical weathering

- discribe 3 different kinds of erosion

- tell someone what desertification is and what you can do about it

- recognize different forms of weathering and erosion in a landscape

Refresh your knowledge

What is plate teconics?

Weathering

Explain in your own words what weathering is 

There are 2 different types of weathering. What types do you know?

What type of weathering is this?

What type of weathering is this?

What type of weathering is this?

Which 2 factors affect weathering?

1. Climate
2. Erosion
3. Type of rock
4. Endogenous forces

How is this landscape formed?

What is the difference between mechanical and chemical weathering?

Mechanical vs chemical weathering

Mechanical weathering -> Rocks breaks down, but the composition remains the same

Chemical weathering -> Rocks breaks apart and the composition of the rock change

Just around the corner

Summary

Shaping landscapes by 2 exogenous forces:

1. Weathering (breaking rocks apart)

1A Mechanical weathering

1B Chemical weathering

2. Erosion (transportation of rocks)

2A By water
2B By ice
2C By wind
2D By gravity