Layers of the Earth
Ms.Sim's 1st academic science project.
Terms in this set (10)
The outermost layer composed of magnesium, aluminum, silicon, and oxygen. The solid layer's thickness ranges from 15 to 300 km.
The thin, solid layer of the Earth composed mostly of oxygen, silicon, aluminum. The thickness can range from 5 to 100 km., while the temperature can range from 0 to 1,000 degrees Celsius. It takes up less than 1% of Earth's mass.
The portion of the crust that makes up land forms, such as continents and islands. Composed of oxygen, silicon, and aluminum, the solid layer can range from 30 to 100 km. thick.
The portion of the crust that lies underwater. It is about 5 km. thick and is composed of iron, calcium, magnesium, oxygen, silicon, and aluminum. It is a solid layer.
The liquid layer of molten rock, magnesium, aluminum, and silicon that's about 2,900 km. thick. Its temperature can range from 1,000 to 3,700 degrees Celsius. It takes up 67% of Earth's mass.
The solid layer lying above the mesosphere. It is composed of oxygen, silicon, and aluminum and is 250 km. thick. It is actually partially molten.
The solid layer of magnesium, aluminum, and silicon. It is 2,550 km. thick.
The solid center of the Earth composed of iron, nickel, oxygen, silicon, aluminum, and magnesium. It is about 3430 km. thick, 33% of Earth's mass, and can range from 3,700 to 7,000 degrees Celsius in temperature.
The liquid layer protecting the inner core. It is 2,200 km. thick, and is composed of magnesium, aluminum, and silicon.
The extremely hot solid center of the Earth. It is 1,230 km. thick and is composed of iron and nickel.
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