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1.1 The Earth's crust is moving

1.1 The Earth's crust is moving
Page 8 and 9 of the textbook.

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1.1 The Earth's crust is moving
Page 8 and 9 of the textbook.

Instruction
Get to work with assignments
Check the assignments
Learning objectives

Slide 1 - Diapositive

The Earth. What does it look like?

Slide 2 - Diapositive

The Earth

Slide 3 - Diapositive

What do you know about plate tectonics?

Slide 4 - Diapositive

One piece of Earth's crust please

Slide 5 - Diapositive

convection currents

Slide 6 - Diapositive

Plate tectonics
Convergent
Convergent
Divergent
Transform

Slide 7 - Diapositive

Plate tectonics
Learning objective: You understand the theory of plate tectonics.

The movement of Earth's crust plates is called plate tectonics.

What do you come across in areas where plates move towards or away from each other?
  • volcanism
  • earthquakes
  • mountain ranges

Slide 8 - Diapositive

Earthquakes, volcanoes, tsunamis

Slide 9 - Diapositive

0

Slide 10 - Vidéo

Pangaea
Learning objective: You know that supercontinent Pangaeae fell apart long ago.

270 million years ago all the continents formed one supercontinent: Pangaea.
  • huge ocean
  • inland Pangaea dry
  • rock stream pushed Earth’s crust upwards
  • supercontinent broke apart

Slide 11 - Diapositive

Pangaea
What are the consequences of the
the breaking apart of a continent?   
  • smaller continents are formed
  • greater influence of the sea
  • number of plant and animal species increases

Slide 12 - Diapositive

Let's practice
Page 8 of the workbook (or 1.1 online): 1, 2 and 4.

Finished early? Read 'The Alps as an example'.

Slide 13 - Diapositive

Formation of mountains: The Alps
Learning objective: You understand how plate tectonics formed the Alps.

Slide 14 - Diapositive

The Alps
50 million years ago Italy was attached to Africa. An ocean lay between Italy and Europe.
 The Alps did not yet exist.

Earth’s crust of Africa moves to the north wherby:
  • sea becomes narrower
  • seabed gets jammed
  • rock layers are pushed up
  • The Alps are formed

Slide 15 - Diapositive

How do you call the outer layer of the Earth?
A
Outer Earth
B
Continent
C
Earth's crust
D
Outer mantle

Slide 16 - Quiz

How do you call the movement of the tough rock within the Earth's mantle?
A
Currents
B
Magma currents
C
Plate tectonics
D
Convection currents

Slide 17 - Quiz

Next week
Homework:
Paragraph 1.1: 1, 2 and 4

Next week: 1.2 Earthquakes

Slide 18 - Diapositive

Slide 19 - Diapositive

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