Changing Earth - Chapter 3 Earthquakes

Earthquake waves are recorded by an instrument called a ___________.

• Richter Scale

• Seismograph

• focus

• L waves

The point at which the earthquake begins is the ________ of the earthquake.

• fault

• epicenter

• beginning

• focus

The ____________is used to describe the magnitude of an earthquake.

• Richter Scale

• magnitude

• amount

• stuff

A break in rocks along which the rocks have moved is called a ______.

• crack

• tremor

• tsunami

• fault

Which type of earthquake wave is caused by the other two types of waves?

• P waves

• S waves

• L waves

• C waves

A(n) ___________ is a vibration of Earth, caused by the release of energy.

• earthquake

• seismologist

• tsunami

• San Andreas Fault

A(n) ____________is a shock that occurs after the principal shock of an earthquake.

• seismograph

• lightning

• aftershock

• thunder

______ is a scientist who study earthquakes.

• geologist

• biologist

• seismologist

• paleontologist

___ is a seawave that forms when there is a quake on the ocean floor.

• Seismologist

• Tidal wave

• Cowabunga

• Tsunami

The point on the Earth’s surface directly above the focus is called the __________.

• epicenter

• focus

• magnitude

• fault