Seismic Waves Flashcard

Front

P Waves travel through...

Back

Both

Front

S Waves travel through... Solids, Liquids, Both

Back

Solids

Front

Which kind of waves travel through the Earth’s core? Options: P waves, S waves, Both

Back

P waves

Front

We know there are two layers to the Earth’s core because...

Back

S Waves stop at the outer core, P Waves bend as they reach the inner core, P Waves bend as they reach the outer core.

Front

Density ____ as the molecules in the layer get closer together.

Back

Increases

Front

Density ____ as waves travel deeper into the earth.

Back

Increases

Front

Pressure ____ as waves travel deeper into the earth.

Back

Increases

Front

In the diagram of Planet A, what do we know about the layers by looking at the S waves?

Back

1 is a solid and 2 is a liquid

Front

What do we know about the materials that make up the two layers in Planet B by looking at the S waves?

Back

Layer 1 and 2 are both solid

Front

What do we know about the material in each layer by looking at the P waves?

Back

Each layer is made of a different kind of material