2.3 Dealing with water in the Netherlands-Weathering and erosion

• Aardrijkskunde
• Middelbare school
• vwo
• Leerjaar 2

Weathering and erosion

1.At the end of this lesson you are able to explain were the Rhine erodes

2.At the end of this lesson you are able to explain how erosion is visible in the landscape

3.At the end of this lesson you are able to describe the different types of weathering

Don't need explanation? Finish paragraph 3 and check your answers 

Vermilion Cliffs National Monument, Arizona

Weathering

• Biological weathering- by living organisms
• Chemical weathering- weathering that changes the composition (samenstelling) of the rock
• Mechanical weathering- the rock does not change.         
   example:  Frost weathering - type of mechanical   weathering were the rock breaks due to frost and 
    de- frosting.

Biological weathering

Biological weathering

Chemical 

weathering

Mechanical weathering

(frost weathering)

Erosion

Soil and rocks are removed and transported to a different place.

Different types: wind, water and glacial

Winderosion

River erosion

Rivererosion

Glacial erosion

How is erosion visible in the landscape?

Bath tub rings

V-shaped

U-shaped

Deposition=

sedimentatie

Write down (or draw) in your notebook: 

Weathering 

Breaking down or dissolving of rocks

Biological-due to plants
Mechanical-Composition does not change
Chemical- Composition changes

Erosion

Transportation of rocks shaping the landscape. 

sanding down the landscape

(uitschuren)

Means of transport: wind, water and ice.

Done? start working on your poster!

To do: the poster

Lost the assignment? Check teams!

Hand in 30th of january!!! 27th there is no class.

Need help? Let me know!

Do you want extra help in Dutch? 

Check the wikiwijs: https://maken.wikiwijs.nl/131063/Rijnreis_van_een_badeend_2_havo_vwo

Find a picture of biological weathering

Find a picture of chemical weathering

Were do you find erosion at the river Rhine?

How is erosion of water visible in the upper course?

What types of weathering do you know?

Evaluation lesson

https://mijnles.nu/invullen

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