What is a crack in the earth?

• a fault

• an earthquake

• a volcano

• a P & S wave

Tags

NGSS.MS-ESS2-2

What is a sudden and violent shaking of the ground, as a result of movements within the earth's crust?

• fault

• joist

• core

• earthquake

Tags

NGSS.MS-ESS3-2

What is the focus of the earthquake?

• Beams that hold a house up.

• A point on Earth's surface

• The mantle of the Earth

• The point where the rocks break beneath the Earth’s surface.

Tags

NGSS.MS-ESS3-2

What is the point on the Earth’s surface, directly above the focus?

• focus

• epicenter

• core

• crust

What are earthquake waves sent out from the focus that cause the ground to shake?

• joists

• epicenters

• seismic waves

• sound waves

Tags

NGSS.MS-ESS3-2

_______________ waves are the kind of seismic waves that go back and forth.

• S waves

• P waves

• W waves

• round waves

___________ waves are the seismic waves that go up and down.

• P

• S

• R

• square

What word describes the number of waves that pass a given point at a certain amount of time?

• seismic

• mantle

• earthquake

• frequency

What are parallel, horizontal beam set from wall to wall to support the boards of a floor or ceiling on a tower?

• cores

• joists

• mantles

• p and s waves

What is the outer layer of earth's structure?

• mantle

• core

• crust

• epicenter