7\8 science exam 3rd quarter

_____________ is a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.

The point within the earth where rock is under stress is called _________________________.

• Focus

• Epicenter

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

• Earthquake

• Epicenter

• Fault

• Plate

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

• P Wave

• Rayleigh Wave

• S Wave

• Shear Wave

Which body waves cause particles of rock material to move at right angles to the direction in which the waves are traveling?

• Body Waves

• P Waves

• S Waves

• Surface Waves

What is a smaller earthquake that follows a larger earthquake?

Where do earthquakes occur?

• Along fault lines

• Along coastlines

• In mountainous areas

• None of the above

True or False: The earth’s crust is made up of moving parts called plates

• True

• False

Earthquakes under the sea can cause ________.

• Moderate tremor

• Severe earthquake

• Tsunamis

• Shock wave

P Waves can move through which of the following?

• Gas
• Liquid
• Solid
• All of these