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crust

Earth's outermost and thinnest layer

continental and oceanic crust

2 types of crust

basalt

rock that makes up oceanic crust

granite

rock that makes up continental crust

continental rise

beginning of the oceanic crust

mantle

layer that makes up most of Earth's material

convection currents

________________ flow in the mantle.

core

center of Earth

iron

material that makes up most of Earth's core

magnetic field

Currents in the outer core make Earth's _______________.

liquid and solid.

The outer core is ______and the inner core is _______.

seismograph

instrument that records earthquake waves

lithosphere

top part of the mantle and the crust

oceanic

type of crust that lies beneath most of the ocean floor

continental

type of crust that makes up all the land of the continents

Studying mantle material that is pushed up through cracks in the Earth's crust, measuring vibrations from earthquakes , and laboratory experiments

3 ways that scientists learn about Earth's layers

three layers of the Earth

core, mantle and crust

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