Earthquake and Seismographs Quiz

What is a seismograph used for?

• Studying the ocean currents

• Recording the earth's motion during an earthquake

• Measuring the temperature of the earth

• Predicting the weather patterns

What is a seismogram?

• A tool used for measuring wind speed

• A type of bird found in California

• A record of the earth's motion at a specific time

• A device for detecting volcanic eruptions

How does a seismograph work?

• Both the base and weight move together

• The seismograph does not move at all

• The base moves while the weight stays still

• The weight moves while the base stays still

What is attached to the weight of an older seismograph?

• Ruler

• Compass

• Stylus

• Thermometer

How are seismograms created in digital seismographs?

• A projector displays the seismogram on a wall

• A pen draws the seismogram on a screen

• A camera takes a picture of the seismograph

• A computer records seismic waves and a printer prints out the seismogram

What is the main use of seismograph networks?

• Pinpointing the location of earthquakes

• Measuring the speed of hurricanes

• Monitoring the growth of plants

• Tracking the movement of clouds

How many seismographic stations are needed to accurately locate an earthquake?

• Three or more

• Only one

• Two

• Five or more

What do seismograms help scientists determine?

• The size of mountains

• The depth of the ocean

• The color of the sky

• The location of earthquakes

What do seismograms compare to fingerprints?

• Earthquakes

• Volcanic eruptions

• Tornadoes

• Tsunamis

What can scientists predict better with more earthquake information?

• Why earthquakes happen

• How many earthquakes will occur

• Where earthquakes will happen

• When earthquakes will happen