Unit 5, Geology CKLA/Lesson #2 & #3 VOCAB

Front

Definition of seismic wave?

Back

A surge of energy traveling out from an earthquake's source through the earth.

Front

Definition of pressure?

Back

Weight or force when something presses against something else.

Front

Definition of basalt?

Back

Heavy, dense rock formed from cooled, hardened lava.

Front

Definition of magma?

Back

melted rock in Earth's mantle

Front

Definition of lava?

Back

Red-hot melted rock that has erupted above Earth's crust from deep underground.

Front

Definition of basin?

Back

A large area in the earth that is lower than the area around it.

Front

Definition of ocean trench?

Back

A narrow, extremely deep valley formed when the seafloor dips down as one tectonic plate slides under another.

Front

Definition of theory?

Back

An explanation for why something happens based on evidence.

Front

Definition of plate tectonics?

Back

A theory that Earth's crust and solid mantle are broken into sections that fit together but move against each other.

Front

Definition of exert?

Back

to cause a force to be felt or have an effect