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Layersoftheearth 4



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  • 1. NAME:_________________________ LAYERS OF THE EARTHLAYER DIAGRAM DESCRIPTION IMPORTANT FACTS (At least 2 facts)Crust Thinnest layer of the Earth, where we 25 miles thick at its thickest part. live. Layer #1 4,000 miles from crust to the inner core Temperature ranges from 0 degrees C to 870 degrees C 2/3 crust lies under the oceanMantle Very hot, dense rock. Largest layer of the Largest layer 80-84% by volume. Earth. Flows like asphalt due to 1,800 miles thick; 2,885 kilometers temperature difference between top and thick bottom. Top is hard rigid rock, becoming 1,600-4,000 degrees F temp softer as it gets deeper. Plates of the About 6 miles beneath ocean crust float on the soft mantle – this is About 19 miles beneath continental called “convection currents.” Layer #2 crustOuter Core Fluid, low viscosity molten metal layer. Depth of 1,806-3,219 miles from Layer #3 surface Made of nickel and Iron Maybe made of sulfur and oxygen too 7,200-11,000 degrees F temp Controls Earth’s magnetic field, protecting us from sun’s solar windsInner Core Ball of solid metal in the center of Earth. Made of iron and nickel Very high pressure keeps it solid. Layer Temperature as high as 9000F #4 800 miles thick 2,400 km in diameter About 5,150-6,276 km deep in the Earth
  • 2. NAME:_________________________ LAYERS OF THE EARTHCONCLUSION:Compare the four major layers of the Earth to any object. Explain how the layers are similar to the object you chose. Think creatively!