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EARTH LAYERS_ COMPOSITION.  5 – 100 km thick  Less than 1% of Earth’s mass  Temperature_ 0 C ⁰ – 1,000 C ⁰  It’s the thinnest layer of the Earth 

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Presentation on theme: "EARTH LAYERS_ COMPOSITION.  5 – 100 km thick  Less than 1% of Earth’s mass  Temperature_ 0 C ⁰ – 1,000 C ⁰  It’s the thinnest layer of the Earth "— Presentation transcript:

1 EARTH LAYERS_ COMPOSITION

2  5 – 100 km thick  Less than 1% of Earth’s mass  Temperature_ 0 C ⁰ – 1,000 C ⁰  It’s the thinnest layer of the Earth  Continental Crust_ made of oxygen, silicon, & aluminum  Oceanic Crust_ is denser  Oceanic Crust_ has twice as much iron, calcium and magnesium CRUST

3  It is 2,900 km thick  Contains 67% Earth’s mass  Temperature_ 1,000 ⁰ C- 3,700 ⁰ C  Mantle rock pushes to surface  Ocean floor contains magma from underwater volcanoes  Contains more magnesium and less aluminum and silicon  Mantle is denser than crust MANTLE

4  1/3 of Earth’s mass_  Temperature 3,700 ⁰ C – 7,000 ⁰ C  Radius is km  Made of iron  Has smaller amounts of nickel;  Almost no oxygen, silicon, aluminum or magnesium OUTER CORE

5  Solid layer of core  Made of iron  Has smaller amounts of nickel;  Almost no oxygen, silicon, aluminum or magnesium INNER CORE


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