Unit 8 Vocab

Front

Crust

Back

Earth's outer layer

Front

Plates:

Back

Very large pieces of rock that make up the earth's outer layer.

Front

Pressure

Back

The physical force that pushes on an object.

Front

Seismograph

Back

Instrument measuring earth's crust movement.

Front

shift

Back

to move

Front

chamber

Back

an enclosed space

Front

Crater

Back

A large bowl-shaped hole in the ground.

Front

eruption

Back

release of lava and ash due to pressure in a volcano

Front

magma

Back

molten rock beneath the Earth's crust

Front

molten

Back

melted