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Inside Earth

Published on Nov 21, 2015

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PRESENTATION OUTLINE

1.

DESCRIBE EARTHS CRUST.

A LAYER OF ROCK THAT FORMS EARTH'S OUTER SKIN.
2.

HOW THICK IS THE CRUST.

BETWEEN 5 AND 70 KILOMETERS.
3.

WHAT DOES THE BOOK USE AS AN EXAMPLE OF THE CRUST

A POOL
Photo by Stuck in Customs
4.

WHAT IS OCEANIC CRUST

THE CRUST BENEATH THE OCEAN
Photo by Ian Halsey
5.

DESCRIBE BASALT

A DARK ROCK WITH A FINE TEXTURE
Photo by gnuckx
6.

WHAT IS CONTINENTAL CRUST

THE CRUST THAT FORMS THE CONTINENTS
Photo by subarcticmike
7.

DESCRIBE GRANITE

A ROCK THAT IS USUALLY LIGHT COLORED AND HAS A COARSE TEXTUE
Photo by Stuck in Customs
8.

HOW THICK IS THE MANTLE

3,000 KILOMETERS
9.

WHAT 3 LAYERS IS THE MANTLE DIVIDED INTO

1) LITHOSPHERE= IT IS VERY THICK AND IS A RIGID LAYER.
Photo by Philippe Garcelon
10.

2) ASTHENOSPHERE

IT IS SOFT AND HOTTER AND UNDER MORE PRESSURE
Photo by wockerjabby
11.

3) LOWER MANTLE

IT IS SOLID AND EXTENDS TO EARTH'S CORE
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