Earthquakes

What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?

• Aftershock
• Liquefaction
• Seismic Gap
• Tsunami

What is the instrument used to measure earthquakes?

• Seismograph

• Sling Psychrometer

• Spring Scale

• Balance

Earthquakes happen every day. Most are too small for humans to notice.

• True
• False

What is an epicenter? 

• Where an earthquake started
• The surface right above where an earthquake started 

Where the earthquake begins on surface.

• epicenter

• joint

• fault

• focus

What are earthquakes?

• The shaking that results from the movement of rock beneath Earth's surface

• Masses of earth sliding down cliffs or mountains

• A rotating column of air causing mass destruction

• A gigantic wave

What causes earthquakes?

• Millions of people jumping at once

• The earth rotating

• The movement of plate tectonics

• Gravity

What is the scale used to measure the strengths of earthquakes?

• Fujita scale

• Richter scale

• Damage scale

• NASA scale

Can earthquakes be predicted

• Yes

• No

Are plates always moving?

• 
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