3.2 Natural fluctuations

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AardrijkskundeMiddelbare schoolvwoLeerjaar 3

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

Lesson duration is: 30 min

Items in this lesson

Slide 1 - Slide

Slide 2 - Slide

Slide 3 - Slide

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

Slide 4 - Slide

Slide 5 - Slide

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

https:

Slide 12 - Link

Slide 13 - Slide

Ice age

North Sea level -120 meter

Temperature -10,5 degrees

Tundra in Europe

Milankovic

Slide 14 - Slide

Slide 15 - Slide

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Slide 17 - Slide

nos.nl

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

Slide 19 - Slide

Slide 20 - Slide

150.000

Slide 21 - Slide

20.000

Slide 22 - Slide

Slide 23 - Slide

Angle of incidence

Slide 24 - Slide

Three Natural fluctuations

Milankovic cycles

Slide 25 - Slide

Eccentricity

Circle - Warm

Oval - Cold

Slide 26 - Slide

Slide 27 - Slide

Obliquity

Increases the seasons

Winter colder

Summer hotter

Slide 28 - Slide

Slide 29 - Slide

Precession

Changes the Seasons completly

Summer - Winter

Spring - Fall

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Slide 31 - Slide

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