5th Block Earthquakes Unit Test Spring, '24

The _______ is the thickest layer of the Earth at 1800 miles thick.  This layer contains most of the mass of the Earth.

• crust
• mantle
• outer core
• inner core

Choose the INcorrect answer: All are reasons some buildings are damaged more than others during an earthquake EXCEPT....

• The strength of the building materials.

• How close the building was to the earthquake's epicenter.

• What type of soil the building is on.

• The people living inside of the building.

• The design of the building.

If an earthquake occurs at Point X, in which directions will the earthquake waves spread?

• to the east
• in all directions
• to the north and the south
• in a straight path to the west

Geologist use seismic waves to locate an earthquake's epicenter.

• True
• False

To triangulate the epicenter of an earthquake, how many seismographs are needed?

• 1

• 2

• 3

• 4

The place where the epicenter of an earthquake is located is _______________.

• below the focus

• P-wave

• above the focus

• normal fault

What is released by an Earthquake and carried by seismic waves? 

• stress
• a fault
• plate movement
• energy

What TWO factors influence the heating and cooling of convection currents?

• Density

• Fusion

• Gravity

• Verticality

What TWO factors influence the heating and cooling of convection currents?

• Density

• Fusion

• Gravity

• Verticality

Choose THREE correct answers: What makes it possible for seismologists to locate the epicenter of an earthquake?

• P and S waves travel at different speeds.

• P waves can travel through solids and liquids.

• S waves can travel only through solids.

• P and S waves that reach the seismograph at the SAME time show the focus.