8.1-8.3 Earthquakes

Front

What is a seismograph?

Back

A seismograph is an instrument that records vibrations in the ground.

Tags

NGSS.MS-ESS3-2

NGSS.MS-PS4-2

Front

What instrument is used to measure earthquakes?

Back

Seismograph.

Front

What type of seismic wave can travel through solids only?

Back

Secondary waves.

Tags

NGSS.MS-PS4-2

Front

What is a Surface Wave?

Back

A seismic wave that travels along the surface of a medium and has a stronger effect near the surface than in the interior.

Tags

NGSS.MS-PS4-2

Front

What is the epicenter of an earthquake?

Back

The point on the Earth's surface directly above the focus of an earthquake.

Tags

NGSS.MS-ESS3-2

Front

What are Primary waves?

Back

Primary waves (P-waves) are seismic waves that can travel through solids, liquids, and gases.

Tags

NGSS.MS-PS4-2

Front

What are the characteristics of Secondary waves?

Back

Secondary waves (S-waves) are seismic waves that can only travel through solids and are slower than P-waves.

Tags

NGSS.MS-PS4-2

Front

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

Back

P-waves are compressional waves that can travel through all states of matter, while S-waves are shear waves that can only travel through solids.

Front

What is a seismic wave?

Back

A seismic wave is an elastic wave generated by an earthquake or other seismic sources.

Tags

NGSS.HS-PS4-1

Front

What is the focus of an earthquake?

Back

The focus is the point within the Earth where an earthquake originates.

Tags

NGSS.MS-ESS3-2