Earthquakes and Volcanoes Unit Test

Where is the point at which the first movement occurs during an earthquake?

• Epicenter
• Focus
• Fault
• Plate

Where is the point on the Earth’s surface directly above the focus of an earthquake?

• Epicenter
• Fault
• Hypocenter
• Tremor

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

• P Wave
• Rayleigh Wave
• S Wave
• Shear Wave

Which body wave squeezes and stretches rock materials as they pass through the Earth?

• Body Waves
• P Waves
• S Waves
• Surface Waves

What is the measure of the amount of energy released in an earthquake?

• Earthquake
• Epicenter
• Magnitude
• Seismogram

Which scale rates earthquakes based on the amount of damage done?

• Mercalli Scale
• Richter Scale
• Seismogram Scale
• Bernoulli Scale

The epicenter of an earthquake is

• The point below the surface where rock begins to break and the first motion occurs
• The seismic station closest to the earthquake
• The place where the greatest damage occurs
• The point on the surface directly above the focus

Which travels fastest, always being the first detected by seismic stations?

• P waves
• S waves

An instrument that detects and measures earthquakes is a 

• seismogram
• focus seismic map
• focus
• seismograph 

Stress that squeezes rock!

• tension 
• compression
• shear
• boa constriction