3.2 Natural fluctuations

• Aardrijkskunde
• Middelbare school
• vwo
• Leerjaar 3

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

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? 

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?

https:

Ice age 

North Sea level -120 meter 

Temperature -10,5 degrees 

Tundra in Europe 

Milankovic

nos.nl

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 

150.000

20.000

Angle of incidence 

Three Natural fluctuations 

Milankovic cycles 

Eccentricity

Circle - Warm 

Oval - Cold 

Obliquity 

Increases the seasons 

Winter colder 

Summer hotter 

Precession 

Changes the Seasons completly 

Summer - Winter

Spring - Fall 

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