Molten Liquid Rock Inside Earth's Mantle Is Called

Tremendous heat and pressure within the earth cause the hot magma to flow in convection currents. The outer core is a liquid mix of iron and nickel but the inner core is solid metal.

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Magma is a mixture of liquid rock crystals and gas.

. Inside the Earth The size of the Earth -- about 12750 kilometers km in diameter-was known by the ancient Greeks but it was not until the turn of the 20th century that scientists determined that our planet is made up of three main layers. Find out more Volcanoes. Magma is the molten rock below the crust in the mantle.

The mantle is below the crust and is made of a soft moldable rock. Earths inner core is as hot as the surface of the sunabout 10000ºF 5500ºC. Sometimes hot molten rock called magma bursts through Earths surface in the form of a volcano.

These currents cause the movement of the tectonic plates that make up the earths crust. They include two types Volcanic or extrusive igneous rocks form when the magma cools and crystallizes on the surface of the Earth. The center of the earth is the core and it has two parts.

Crust mantle and core. Intrusive or plutonic igneous rocks wherein the magma crystallizes at depth in the Earth. This layered structure can be compared to that of a boiled egg.

The outer core that is a. Igneous Rocks are formed by crystallization from a liquid or magma. Beneath the mantle lies the core.

Earths solid crust acts as a heat insulator for the hot interior of the planet. Cores may be entirely solid or entirely liquid or a mixture of solid and liquid layers as is the case in the Earth. Magma and Igneous Rocks.

Gas giants also have cores though the composition of these are still a matter of debate and range in. In the Solar System core sizes range from about 20 the Moon to 85 of a planets radius. A planetary core consists of the innermost layers of a planet.

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