Earthquakes test

Label each of the following.

a

b

c

epicenter

fault

focus

Match the term with the correct defintion.

• focus

• fractures or cracks in the Earth's crust where movement occurs.

• epicenter

• the point on Earth‘s surface directly above where the earthquake originates

• faults

• the point within the Earth where the earthquake begins.

Which point on the map is the epicenter of the earthquake represented?

• A

• B

• C

• D

Tags

NGSS.MS-ESS3-2

What is the primary cause of earthquakes?

• Human activities

• Weather changes

• Plate tectonics

• Volcanic eruptions

Tags

NGSS.MS-ESS3-2

an instrument used to record and measure the motion of the ground during an earthquake

• richter scale

• seismograph

• nonogram

• earthgraph

Which of the following is the fastest waves that compress and expand rocks in the direction of wave propagation.?

• primary wave

• secondary wave

• surface wave

Tags

NGSS.MS-PS4-1

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

• Body Waves

• P Waves

• S Waves

• Surface Waves

Answer explanation

P Waves, or primary waves, are body waves that compress and extend rock materials as they travel through the Earth. They are the fastest seismic waves and can move through both solids and liquids.

Which seismogram represents a city that is far from the epicenter of an earthquake?  

• New York, NY

• Nome, Alaska

• Guadalajara, Mexico

Answer explanation

Nome, Alaska is far from the earthquake's epicenter, resulting in a delayed and less intense seismogram compared to cities like New York or Guadalajara, which are closer and experience stronger shaking.

Tags

NGSS.MS-ESS3-2

The place where an earthquake originates inside the Earth's surface is called...

• Epicenter

• Focus

• Underground

• Crust

Tags

NGSS.MS-ESS3-2

5. Which type of wave travels the fastest?

• Primary Wave

• Secondary Wave

• Long Wave