modul 3 tech_assignment_power_point

INNER CORE

800 miles thick

OUTER CORE1,400 miles

thick

MANTLE1,800 miles

thick

CRUST5 to 25

miles thick

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The crust of the Earth is composed of a great variety of igneous, metamorphic, and sedimentary rocks.

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Formed from molten material including volcanic lava, ash, or bombs as well as magma below Earth’s surface.

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Made of layers that have been pressed or cemented togetherPebbles, sand, silt, or clay are sedimentsShells and bones can also be sediments

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Rocks that are changed by intense heat and pressure while inside Earth’s surfaceIgneous, sedimentary, and even metamorphic rocks can be changed into different metamorphic rocks

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Click here to find out about The Rock Cycle.

The rocks and continents of the world belong to the Earth's crust. Beneath that crust is the Earth's mantle. The mantle is the thick layer of hot, solid rock between the crust and the molten iron core.

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The inner core of the Earth, its innermost hottest part . It is believed to have a temperature similar to the Sun's surface. It is believed that this inner core is a solid ball of mostly iron, and nickel.

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It is believed that this outer core is made up of super-heated liquid molten lava. This lava is believed to be mostly iron, and nickel.

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The rock cycle is a never-ending process of rocks forming, weathering, and changing into other rocks

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