2.1 Inferred Properties of Earth’s Interior (Worksheet)

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2.1 Inferred Properties of Earth’s Interior (Worksheet)

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Acacia 6 months 2021-07-11T08:34:28+00:00 1 Answers 3 views 0

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    2021-07-11T08:36:26+00:00

    The Earth’s interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball, about 1,500 miles (2,400 kilometers) in diameter. Although this inner core is white hot, the pressure is so high the iron cannot melt. Other clues to Earth’s interior includes the fact that we know that Earth’s overall density is higher than the density of crustal rocks, so the core must be made of something dense, like metal. Also, since Earth has a magnetic field, there must be metal within the planet. Iron and nickel are both magnetic.

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