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Quiz/Review

Quiz/Review. Get out a small piece of paper and put your name on it. When the bell rings, the quiz will begin. Question 1. True or False. Question 2. How much heavier does the Earth become every day from space dust?. Question 3.

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Quiz/Review

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  1. Quiz/Review • Get out a small piece of paper and put your name on it. • When the bell rings, the quiz will begin.

  2. Question 1 • True or False

  3. Question 2 • How much heavier does the Earth become every day from space dust?

  4. Question 3 • The energy given off by a hurricane in one day would power the entire U.S for how long?

  5. Answers • False • 100 Tons • 3 years

  6. Earth’s Crust And the rocks within.

  7. Layers of the Earth • Lithosphere(Crust & Upper Mantle) • Asthenosphere(middle and lower Mantle) • Outer Core • Inner Core

  8. Lithosphere • The part of the earth we all walk and live on is called the lithosphere. • “litho-sphere” rock-layer • Temperature and pressure increase with depth.

  9. Asthenosphere • “weak-layer” in the lower mantle (convection layer). • Hot “plasticy” layer of rocks and minerals. • Temperature and pressure increase with depth.

  10. The core(s) Outer Core Inner Core Solid Layer Iron and Nickel This layer helps creates a magnetic field around earth the protects earth from space debris. • Liquid layer • Iron and Nickel • This layer is liquid and can be proven using seismic waves.

  11. Rocks in the Earth Sedimentary Rocks Igneous Rocks Metamorphic Rocks Heat and Pressure of other rocks. Has flattened Crystals. • Broken down fragments of other rocks. • Has sediment in layers and fossils. • Cooled magma from inside the earth.. • Has Crystals.

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