Directions: Follow the instructions to go through the simulation. Respond to the questions and
prompts in the orange boxes.
Vocabulary: body wave, earthquake, epicenter, fault, focus, P-wave, S-wave, seismic wave, seis
...
Directions: Follow the instructions to go through the simulation. Respond to the questions and
prompts in the orange boxes.
Vocabulary: body wave, earthquake, epicenter, fault, focus, P-wave, S-wave, seismic wave, seismogram,
seismograph
Prior Knowledge Questions ( Do these BEFORE using the Gizmo. )
Gizmo Warm-up
The E arthquakes 1 – Recording Station Gizmo simulates the s eismic waves
released by an earthquake. To begin, l ook at the key on the bottom l eft side
of the Gizmo.
1. The e picenter o f the earthquake i s the point on Earth’s surface closest
to the f ocus, or origin, of the earthquake.
2. Click Play ( ) and observe the seismic waves l eaving the epicenter of
the earthquake.
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Name: Stephanie Maurad Date: 2/22/21
1. Have you ever experienced an e arthquake? If
so, what did i t feel l ike?
I’ve never
experienced an
earthquake.
2. Earthquakes are usually caused by the sudden movement of rocks
along a fault, or fracture, i n Earth’s crust. The most famous fault i n the
U.S. i s the San Andreas Fault i n California.
What major cities are l ocated near the San Andreas Fault?
San Francisco and Los Angeles are l ocated near the San Andreas
fault.
A. What symbol represents the epicenter? The circle.
B. What symbol represents the recording
station?
The triangle.
A. What types of seismic waves are released? P and S seismic waves are released
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