DRIFTING AND MOVING LANDMASSES

Lesson 9

PLAY VIDEO 1

SUPERCONTINENT

PANGEALandmasses of the Earth were once part of one big mass of land.

It broke into two landmasses.

PLAY VIDEO 2© Jamaica Olazo

© Jamaica Olazo

LAURASIA & GONDWANALAND

LaurasiaBecame North America and Eurasia.

GondwanalandBroke into South America, Africa, Australia and Antartica.

PLAY VIDEO 3

CONTINENTAL DRIFTThe breaking up and

drifting of the continents.

© Jamaica Olazo

PLATESThick and solid slabs of

rocks in the Earth’s crust.

© Jamaica Olazo

asthenosphere

Molten material in the upper mantle of the Earth.

It enables the plates to move from time to time.

Composed of:

Hot and viscous (gel-like) material

Plate Tectonics

Explains the breaking up of Pangea.

Very often, these plates are colliding with each other, pulling each other or sliding past one another.

Instrumental in the building of continents.

CONTINENTAL DRIFT & PLATE TECTONICS

PLAY VIDEO 5

PLAY VIDEO 4

© Jamaica Olazo

Major Plates North American Plate

South American Plate

Pacific Plate

African Plate

Indo-Australian Plates

Eurasian Plate

Antarctic Plate

PLATES OF THE EARTH

Minor Plates Northern Hemisphere Juan de Fuca Plate

Cocos Plate

Caribbean Plate

Caroline Plate

Philippine Plate

Southern Hemisphere Nazea Plate

Scotia Plate

Somali Plate

Fiji Plate

© Jamaica Olazo

Are plates found under the Pacific, Atlantic and Indian Ocean.

OCEANIC PLATESOF THE EARTH

PLAY VIDEO 6

EXPANDING EARTH & PANGEA THEORY

THANK YOU