3.2 Natural fluctuations

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AardrijkskundeMiddelbare schoolvwoLeerjaar 3

This lesson contains 34 slides, with interactive quizzes, text slides and 1 video.

time-iconLesson duration is: 30 min

Items in this lesson

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3.2 Natural fluctuations part 1/2
Program:
                        - Picture 
                        - Introduction on Ice Age  
                        - Cause of the Ice Age
                        - Milankovic theory 
                        - Closing & Assignments 
LG: You'll be able to explain why climate change is normal

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After reading the story
- What happened to Doggersland during and after the last Ice Age?
- Why did it take centuries to flood Doggersland?
- What artifacts can be found at Doggersland?
- How is it possible that there are thousands of mammoth bones on the Doggersbank? 

Slide 6 - Slide

What happened to Doggersland during and after the last Ice Age?

Slide 7 - Open question

- Why did it take centuries to flood Doggersland?

Slide 8 - Open question

What artifacts can be found at Doggersland?

Slide 9 - Open question

How is It possible that there are thousands of mammoth bones on the Doggersbank?

Slide 10 - Open question

Slide 11 - Slide

Slide 12 - Link

Slide 13 - Slide

Ice age 
North Sea level -120 meter 

Temperature -10,5 degrees 

Tundra in Europe 

Milankovic


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Slide 18 - Link

3.2 Natural fluctuations part 2/2
Program:   
                      - Milankovic 
                      - A wobbling earth 
                      - Angle of the earth's axis 
                      - How ices ages occur 
                      - Assignments 
                      - Closing lesson 

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150.000

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20.000

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Angle of incidence 

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Three Natural fluctuations 
Milankovic cycles 


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Eccentricity
Circle - Warm 

Oval - Cold 


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Obliquity 
Increases the seasons 

Winter colder 

Summer hotter 


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Precession 
Changes the Seasons completly 

Summer - Winter

Spring - Fall 

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Slide 32 - Video

Slide 33 - Slide

Milankovic Theory & Ice ages 
Changing orbit G1

Earth's wobble G2

Change angle of the axis    G3

How ice ages occur    G4

Activity of the sun G5

Slide 34 - Slide