Chapter 7.1 Japan, country in the ring of fire (part 2)

Chapter 7.1 

Japan, country in the ring of fire.
(Part 2)
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Slide 1: Tekstslide
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In deze les zitten 22 slides, met interactieve quizzen, tekstslides en 3 videos.

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Chapter 7.1 

Japan, country in the ring of fire.
(Part 2)

Slide 1 - Tekstslide

Natural forces change the earth's crust.
Natural forces that change the earth's crust from outside are called ......
exogenic forces
endogenic forses

Slide 2 - Quizvraag


Slide 3 - Sleepvraag

Inner core
Outer core

Slide 4 - Sleepvraag

Very thin
Convection current

Slide 5 - Sleepvraag

What causes the magma to flow around in the mantle?
The heat in the core of the earth
The heat of the sun's rays on the earth

Slide 6 - Quizvraag

What is the name of the process of circulation of magma in the mantle?

Slide 7 - Open vraag

What is the difference between lava and magma?

Slide 8 - Tekstslide

Two different earth plates
  1. Oceanic plate (Thin but heavy)
  2. continental plate (Thick but lighter)

Slide 9 - Tekstslide

Tectonic plate types
Oceanic plate
  • Tectonic plate underneath an ocean.
  • Quite thin, only up to 10 kilometres. 
  • Type of rock: basalt (heavy)

Continental plate
  • Tectonic plate that makes up the continents.
  • Much thicker than oceanic plates, between 35 and 40 kilometres. Underneath large mountains, such as the Himalayas, the crust can even be up to 75 kilometres thick. 
  • Type of rock: granite (lighter than basalt)

Slide 10 - Tekstslide

Tectonic plates of the world
The Netherlands lies on the Eurasian Plate.
This is the plate boundary between the South American Plate and the African Plate.
This is the plate boundary between the Pacific Plate and the North American Plate.
Look at the places where most earthquakes and volcanoes take place. What do you notice?

Slide 11 - Tekstslide


Slide 12 - Sleepvraag

What are the effects of plate movements?

Slide 13 - Tekstslide

* earthshakes
Earth plates slide past each other. That is not gradual, but difficult. Tension is built up. If there is too much tension, the plates will shoot to discharge the tension.
Heavy earthquakes are born.

Slide 14 - Tekstslide

Two oceanic plates are moving away from eachother.
Because of the high pressure in the 
mantle, the magma rise up. 
When it comes into contact with 
seawater, the magma solidifies.
A mountain range is created on 
the sea floor.  --> mid-oceanic ridge

Slide 15 - Tekstslide

  • When two continental plates collide with each other :
              continental plates (lighter) will push each other up.
               --> mountain range

Slide 16 - Tekstslide

  • When an oceanic plate collide with a continental plate (subduction):
               the heavier oceanic plate will sink back in the mantle. 
               the lighter continental plate will rise up.
--> vulcanos
--> trench
--> mountains

Slide 17 - Tekstslide

Ring of fire

Slide 18 - Tekstslide

Slide 19 - Video

Slide 20 - Video

Slide 21 - Video

Learn chapter 7.1 
Do assignment 7-8-9 on the geo online.

Slide 22 - Tekstslide