What is the center, or focus of an earthquake?
a. fault line
b. epicenter
c. seismograph
epicenter
When tectonic plates move we feel
an earthquake
Tectonic plates are _____ in motion
always/constant
Earthquakes are almost impossible to...
Predict
Animals have weird behavior prior to an earthquake
True
What is another word for earthquake, along with tremors, quakes and shakes?
a. seismic activity
b. oceans
c. rivers
seismic activity
A ................ will record the earthquake on a piece of paper
a. seismometer
b. thermostat
c. thermometer
seismometer
How do the plates move? Fast, slow, or medium?
Slow
Name one of the 2 types of plates
a. oceanic
b. continental
c. pacific
Oceanic and continental
what does the magnitude scale go up to,
a. 5-10
b. 1-10
c. 2-6
1-10
Name one way to help a building during an earthquake.
Shock absorber or Retrofitting
What does constraint mean?
a. restriction
b. movement
c. roof
restriction
What is the most likely place to feel an earthquake?
a. near the pacific ocean
b. near tectonic plate boundaries
c. near Arkansas
If you live near tectonic plate boundaries;
What is the top layer of Earth?
a. crust
b. fault line
c. earthquake
crust
How long do most earthquakes last?
a. 1 minute
b. more than 30 secs
c. less than 30 secs.
less than 30 secs
What is earth's crust made of?
Tectonic plates
What are cracks in the rocks below the earth's surface?
a. aftershock
b. epicenter
c. fault line
Fault Line
What damage can earthquakes do?
Destroy houses, bridges, railroad tracks and buildings
who created the original magnitude scale
a. Charles. F Richter
b. Dr. Childers
c. Mrs. Shipman
Charles F. Richter
When does the aftershock occur?
After an earthquake