Earthquakes and Faults

These waves slow down in liquid, but speed up in solids, as they travel through the center of the Earth.

• primary waves

• secondary waves

• surface waves

Tags

NGSS.MS-PS4-2

What is the relationship between the speed of P-waves and S-waves?

• P-waves travel at more than twice the speed of S-waves.

• S-waves travel at more than twice the speed of P-waves.

• P-waves travel at half the speed of S-waves.

• P-waves travel at 0.6 times the speed of S-waves.

• S-waves travel at 0.6 times the speed of P-waves.

The Richter scale is used to measure an earthquake's _____________________, or the amount of energy released by the earthquake.

• focus

• epicenter

• magnitude

• liquefaction

The point at which the movement of an earthquake begins.

• focus

• epicenter

• magnitude

• liquefaction

Surface waves spread out from the _______________________ like ripples in a pond.

• focus

• epicenter

• magnitude

• liquefaction

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Forces that pull rocks apart

• tension forces

• shear forces

• compression forces

• all of the above

In the diagram, letter "A" is labeling the _____

• Hanging Wall

• Foot Wall

• Gallery Wall

• Accent Wall

Tags

NGSS.MS-ESS1-4

A type of fault where rocks on either side move past each other sideways is called:

• normal fault

• reverse fault

• strike-slip fault

What is the shaking of the Earth’s crust caused by a release of energy?

• Earthquake

• Epicenter

• Fault

• Plate

Tags

NGSS.MS-ESS3-2

Which type of wave is the first to arrive after an earthquake occurs?

• P Wave

• Rayleigh Wave

• S Wave

• Shear Wave