Earthquakes and Seismic Waves
Physics ⇒ Earth and Space Physics
Earthquakes and Seismic Waves starts at 7 and continues till grade 12.
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See sample questions for grade 7
Describe what a seismogram shows.
Describe what happens at a fault during an earthquake.
Describe what happens to buildings during a strong surface wave.
Explain why earthquakes are more likely to occur at plate boundaries.
Explain why S-waves do not travel through the Earth's outer core.
Explain why the damage from an earthquake is usually greatest near the epicenter.
If a seismograph records P-waves arriving at a station 4 minutes before S-waves, what does this tell you about the distance to the earthquake's focus?
If a seismograph records P-waves arriving at a station 4 minutes before S-waves, what does this tell you about the distance to the earthquake's focus?
Which of the following best describes the movement of P-waves?
(1) Up and down
(2) Side to side
(3) Compress and expand
(4) Circular motion
Which of the following best describes the movement of S-waves?
(1) Compress and expand the ground
(2) Move the ground up and down or side to side
(3) Travel in a circular motion
(4) Only move through liquids
Which of the following is a body wave?
(1) P-wave
(2) Love wave
(3) Rayleigh wave
(4) Surface wave
Which of the following is a safety measure during an earthquake?
(1) Stand near windows
(2) Take cover under a sturdy table
(3) Use elevators
(4) Run outside immediately
Fill in the blank: S-waves cannot travel through _______.
Fill in the blank: The _______ is the layer of the Earth where most earthquakes originate.
Fill in the blank: The _______ is the record produced by a seismograph.
Fill in the blank: The _______ scale measures the effects or intensity of an earthquake based on observations.
True or False: All earthquakes are caused by volcanic activity.
True or False: Earthquakes can only happen on land.
True or False: Earthquakes can trigger tsunamis if they occur under the ocean.
True or False: P-waves can travel through both solids and liquids.
