The continental drift theory

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The Earth relief | Lithosphere | Continental drift theory

1º de ESO Geography and History

Unit RELIEF-Index

EARTH'S STRUCTURE

THE LITHOSPHERE

Continental drift theory

THE EART´S RELIEF

Continental relief
- Mountains
- Plains
- Plateaus
- Valleys
- Basins
- Continental water
  - Rivers
    - Parts
  - Lakes
  - Glaciers
  - Groundwater
Coastal relief
- Beaches
- Cliffs
- Peninsulas
- Gulfs
- Capes
- Islands
Oceanic relief

NATURAL RISKS

MIND MAPS

Earth planet mind map

EXERCISES

Unit THE EARTH PLANET

Unit THE CLIMATE

Unit PREHISTORIC LIFE

Unit EGYPT

Bilingual Space

The continental drift theory

In 1912 the German scientist Alfred Wegener formulated the theory of "contintental drift": million of years ago there was a single continent, called Pangea, origin of the current ones.

Pangea
Source: US Geological Survey

It was based, among other things, on how the continents separated from one another, moving to opposite sides of the Atlantic Ocean, such as Africa and South America.

Abundant earthquakes and volcanoes are produced in the areas where the continental plates collide.

Tectonics plates and volcanoes
Source: Jennifer Loomis, TERC www.classzone.com

The Earth's relief

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