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Recap Chapter 4
Recap Chapter 4
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Recap Chapter 4
Slide 1 - Diapositive
Endogenous vs. exogenous forces
Last chapter (3) about
endogenous
forces:
- Volcanoes
- Earthquakes
- Fold mountains
This chapter:
exogenous forces:
forces from outside the earth's crust
1.
Weathering
: breaks rocks apart
2.
Erosion
: proces that wears the rock away and transports the smaller pieces
3.
Sediment
: the smaller pieces of rock
Slide 2 - Diapositive
Shrinking and expanding of rock because of big differences in temperature.
A
Weathering due to frost
B
Weathering due to the sun
C
Weathering because of plants
D
Chemical weathering
Slide 3 - Quiz
The proces of iron that comes in contact with oxygen and changes its color to orange/brown.
A
Weathering due to frost
B
Weathering due to the sun
C
Weathering because of plants
D
Chemical weathering
Slide 4 - Quiz
Weathering because of frost
Weathering because of the sun
Biological weathering (due to plants)
Chemical weathering
Slide 5 - Question de remorquage
This type of weathering the composition does NOT change
Slide 6 - Question ouverte
Factors affecting weathering
- Composition of rock (limestone will weather much quicker than granite)
- Climate:
Hot and wet climates: biological and chemical weathering
Colder and dryer climates: physical weathering
Slide 7 - Diapositive
Weathering and erosion of glaciers
Slide 8 - Diapositive
Fluvial erosion
V-shaped valley
Slide 9 - Diapositive
Coastal erosion
Slide 10 - Diapositive
The form of the pebbles in this picture has been caused by ...
A
1. Weathering
B
2. Erosion
C
3. Sediment deposition
Slide 11 - Quiz
Which valley do you see in this picture?
A
V-shaped valley
B
U-shaped valley
Slide 12 - Quiz
Sediment deposition
Weathering
Erosion
Slide 13 - Question de remorquage
What needs to be the minimum of the sea temperature to form a hurricane?
A
18 degrees Celsius
B
25 degrees Celsius
C
27 degrees Celsius
D
34 degrees Celsius
Slide 14 - Quiz
What are the possible effects of a hurricane?
Slide 15 - Question ouverte
Step 1
Step 2
Step 3
Sediments sink downwards
When the river deposits more material than the sea can remove it, sediment plumes are formed
River slows down in lower course and can no longer carry the sediments
Slide 16 - Question de remorquage
Which process took place in this picture?
A
Wind erosion
B
Fluvial erosion
C
Glacier erosion
D
Chemical weathering
Slide 17 - Quiz
Why are plants so effective against wind erosion?
Slide 18 - Question ouverte
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