Seismic Waves Quiz

P Waves travel through...

• Solids
• Liquids
• Both

S Waves travel through...

• Soilds
• Liquids
• Both

Which kind of waves travel through the Earth’s core?

• P waves
• S waves
• Both

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

• S Waves stop at the outer core
• P Waves bend as they reach inner core
• P Waves bend as they outer core
• All of the above

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

• Increases
• Decreases

Density ____ as waves travel deeper into the earth.

• Increases
• Decreases

Pressure ____ as waves travel deeper into the earth.

• Increases
• Decreases

Temperature ____ as waves travel deeper into the earth.

• Increases
• Decreases

The Mantle is ____ dense than the core.

• More
• Less

The Mantle is ____ dense than the crust.

• More
• Less