ESS2.2 TEST (Seismic Waves & Earth's Interior)

Front

What is the Earth's inner core primarily composed of?

Back

Solid nickel and iron.

Front

What layer of the Earth is responsible for convection currents?

Back

Asthenosphere.

Front

What is the term for the point where an earthquake begins?

Back

Focus.

Front

Where is heat and pressure the greatest in the Earth?

Back

Inner core.

Front

What behavior will NEVER occur with a P-wave as it travels through the Earth?

Back

Absorption.

Front

What is the outer layer of the Earth called?

Back

Crust.

Front

What is the layer beneath the crust that is semi-fluid and allows for tectonic plate movement?

Back

Mantle.

Front

What is the term for the point directly above the focus on the Earth's surface?

Back

Epicenter.

Front

What type of seismic wave is a P-wave?

Back

Primary wave, which is compressional and travels fastest.

Front

What type of seismic wave is an S-wave?

Back

Secondary wave, which is shear and travels slower than P-waves.