Chapter 7.1 Japan, country in the ring of fire (part 1)

Chapter 7.1
Japan, a country in the ring of fire
part 1
1 / 22
Slide 1: Slide
AardrijkskundeMiddelbare schoolhavoLeerjaar 1

This lesson contains 22 slides, with interactive quizzes, text slides and 3 videos.

Items in this lesson

Chapter 7.1
Japan, a country in the ring of fire
part 1

Slide 1 - Slide

The creation of earth plates. 
  • The structure of the earth  (G66)
  • Convection current  (G67)
  • Plates / slabs (G68)
  • Different plates (G68)
  • Different plate movements (G68)

Slide 2 - Slide

Earth’s crust is always changing
Natural forces

Exogenic                          Endogenic
change the Earth’s crust                         change the Earth's crust
from the outside                       from the inside

weatering / erosion                             vulcanos/earthquakes

Slide 3 - Slide

How did continents orginate?

Slide 4 - Slide

Slide 5 - Video

Layers of the earth
Crust: layer we live on, solid and very thin. Made of rocks.

 thickest layer of the earth, liquid but also moveable. 


Slide 6 - Slide

Layers of the earth
Outer core: liquid also made out of nickel and iron. Cooler around 3000 - 4500 degrees C.

Inner core
: solid made out of nickel and iron. Very warm (4000 and 6000 degrees C.)


Slide 7 - Slide

What is convection current?
The fire heats the water from below. The water is getting hot. Hot water rises and cools. Colder water sinks back down and heats up again. The water moves in a circle from top to bottom.

Slide 8 - Slide

This process also happens in the mantle of the Earth.
Convection current causes fractures and thus the creation of earth plates.

Slide 9 - Slide

The puzzle pieces of the crust
The crust is broken up into several pieces called tectonic plates.
These plates move around because of convection currents (= movement of liquid rock in the mantle, caused by heat of the inner core).
Plate tectonics = The movement of tectonic plates.
Plate boundaries = The places where two plates meet.

So if you thought Earth plates were formed in the
following way, as in the video Ice Age, then you are

Slide 10 - Slide

Which part of the Earth consists of tectonic plates?
Inner core
Outer core

Slide 11 - Quiz

Plate tectonics is nothing new.

The earth's history is filled with plate movements, 250 million years ago all the plates formed one huge supercontinent called Pangea.

Slide 12 - Slide

Slide 13 - Slide

Slide 14 - Video

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

Slide 15 - Slide

We have two types of tectonic plates:

Oceanic plates:
  • Found under oceans, 
  • thin (up to 10 kilometres)     but heavier. 
  • Made of basalt.

Continental plates:
  • Found under continents, 
  • thick (up to 75 kilometres)     but lighter. 
  • Made of granite.

Slide 16 - Slide


Slide 17 - Slide

What do we call the movement of liquid rock in the mantle, caused by heat of the inner core?
Plate tectonics
Plate boundaries
Convection currents
Tectonic plates

Slide 18 - Quiz

Three different plate movements
  1. Plates move away from each other = divergent movement
  2. Plates move toward each other = convergent movement
  3. Plates slide alongside each other = transform movement

Slide 19 - Slide

Slide 20 - Slide

Slide 21 - Video

Read G66 - G67 - G68
Do assignment 3-5-6 on the geo online.

Slide 22 - Slide