Earth's Inferred Properties and P and S Wave Review

Front

What layer of the Earth contains convection currents?

Back

Asthenosphere (Plastic Mantle)

Front

What is the pressure at Earth's Crust?

Back

0 million atmospheres

Front

If a P-wave takes 4 minutes to travel, how far is the epicenter distance?

Back

2 x 10^3 km

Front

What is the temperature at a depth of 3000 km in the Earth?

Back

5000 ºC

Front

Which wave takes longer to travel, P-wave or S-wave?

Back

S-wave

Front

Define P-wave.

Back

Primary wave; a type of seismic wave that compresses and expands the ground.

Front

Define S-wave.

Back

Secondary wave; a type of seismic wave that moves the ground up and down or side to side.

Front

What is the main difference between P-waves and S-waves?

Back

P-waves can travel through solids and liquids, while S-waves can only travel through solids.

Front

What is the Earth's outer core primarily made of?

Back

Liquid iron and nickel.

Front

What is the temperature range of the Earth's inner core?

Back

Approximately 4000 ºC to 6000 ºC.