Plate Tectonics

Front

The dense, iron center of the Earth.

Back

core

Front

The thin, brittle outer shell of the Earth made of rock.

Back

crust

Front

Layer of the Earth made of hot, solid rock which flows due to conduction.

Back

mantle

Front

Objects found in the solar system which are made of early solar system materials like iron and nickel.

Back

meteorite

Front

The scientific theory that explains the movement of the Earth's crust.

Back

plate tectonics

Front

The idea that continents have been moving to their current positions and will continue to move.

Back

continental drift

Front

The force that surrounds Earth from pole to pole which compasses align with.

Back

magnetic field

Front

Device that produces sound waves that travel outward in all directions.

Back

echo sounder

Front

When hot mantle material rises up at mid-ocean ridges, erupts as lava, and forms new seafloor.

Back

seafloor spreading

Front

The deepest places on earth which can be found near chains of active volcanoes.

Back

trench