Earth's Interior Quiz

Which of the following is used in an attempt to make short-rang predictions of when earthquakes will occur?

• Strain in rocks near faults

• Height of ocean waves after earthquakes

• Changes in the color of rocks near faults

• Hydrogen gas emissions near fractures

The rigid outer part of the earth, consisting of the crust and upper mantle, is a relatively cool, rigid shell and averages about 100 km in thickness and called the__________?

• Asthenosphere

• Hydrosphere

• Lithosphere

• Atmosphere

The Earth's core is made of an alloy of ____________?

• Iron and Nickel

• Copper and Iron

• Zinc and Magnesium

• Iron and Zinc

The moment magnitude is calculated using all of the following factors EXCEPT for the_____________?

• Surface area of fault

• Magnitude of past earthquakes in the area

• Average displacement along fault

• Rigidity of rock in the area

A tsunami can occur when there is vertical movement at a fault under_______________?

• A mountain range

• the San Andreas Fault

• The ocean floor

• a small inland lake

Violent shaking from an earthquake can cause soil and rock on slopes to fail and cause a_________________?

• Fault

• Landslide

• Tsunami

• Earthquake

Earth's inner core is solid because of ______________________?

• The composition of its rock

• Its great diameter

• Extreme low temperature

• Immense pressure

Felsic and mafic are terms used by geologists to describe the ________________?

• behavior of earthquake waves.

• the mechanical behavior of rocks.

• composition of continental and oceanic crust.

• composition of continental crust.

The part of the Earth that includes all the frozen water (including glaciers, sea ice, snow, freshwater ice, and frozen ground [permafrost]) is called?

• the asthenosphere.

• the cryosphere.

• the hydrosphere.

• the hydrosphere.

What is the name given to a region where one plate of the earth's crust is sliding under another?

• Trench

• Ridge

• Subduction Zone

• Mountain