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The Earth’s Interior Glencoe Ch. 12-3 Pages 370-372.

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Presentation on theme: "The Earth’s Interior Glencoe Ch. 12-3 Pages 370-372."— Presentation transcript:

1 The Earth’s Interior Glencoe Ch Pages

2 A look inside the Earth

3 E a r t h’ s C r o s s - s e c t i o n

4 Layers of the Earth -Crust –________________ and __________________ layer  2 types of crust

5 Layers of the Earth 1. Oceanic crust – under ______________, 4-7 km thick (high density) 2. _____________________ crust – under continents, ___-____ km (lighter in density)

6 E a r t h’ s C r o s s - s e c t i o n

7 Layers of the Earth - Mantle – _____________ km thick - rock - Upper mantle – ________________ rock (closer to surface) - ________________ mantle – plastic rock (___________ magma)

8 Layers of the Earth Lithosphere – _____ and solid upper mantle  solid and rocky Asthenosphere – soft and plastic __________mantle  _______, _______, ________ rock and magma

9 Layers of the Earth

10 - _______________ – the innermost / center of the Earth - thought to be made of ___________ and ______________ 1. Outer core – _______________ metal 2. Inner core – _______________ metal

11 E a r t h’ s C r o s s - s e c t i o n

12 Layers of the Earth - As you go toward the Earth’s core the temperature steadily ______________ - Evidence – 1. Radioactive decay of unstable _______ 2. Heated liquid rock in mantle 3. Heated solid and liquid metal in core heat is radiated outward toward the surface


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