Earthquakes (Grade 10)
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Earthquakes
1.
A is an instrument that records earthquake waves.
- mass
- seismometer
- seismogram
- frame
2.
The amount of energy released by an earthquake is measured by its .
- speed
- magnitude
- focus
- intensity
3.
Long term earthquake predictions are best at predicting
- where an earthquake is likely to occur.
- how much damage the next earthquake will cause.
- when the next earthquake will occur.
- how long the next earthquake will last.
4.
Which phrase below would best describe the plate movements that cause an earthquake?
- friction between two sliding plates, releasing energy
- smooth sliding between two plates, a gradual movement
- smooth pulling apart of two plates, a gradual movement
- friction being released as two plates move apart
5.
The point on Earth's surface directly above the location at which an earthquake begins is known as the .
- focus
- epicenter
- locus
- ground zero
6.
The actual location within the ground where an earthquake begins is known as the .
- focus
- epicenter
- locus
- ground zero
7.
Small earthquakes which occur before a major movement are called .
- body waves
- P shocks
- foreshocks
- primary shocks
8.
As the distance from a quake's epicenter increases, the
- intensity increases.
- intensity decreases.
- wave speed increases.
- the focus decreases.
9.
What part of Earth doesn't transmit S-waves from a quake?
- epicenter
- focus
- mantle
- liquid part of core
10.
To find the location of an earthquakes epicenter, at least seismographs must be used.
- 1
- 3
- 5
- 7
11.
A is a large wave caused by an underwater earthquake.
- seafloor spread
- vent
- volcano
- tsunami
12.
Which of the following describes primary waves created by an earthquake?
- They cause damage on the surface of the ground.
- They cause up-and-down movement in the rock.
- They are the fastest-moving waves.
- They are the slowest-moving waves.
13.
Smaller earthquakes or tremors called often follow a major earthquake at frequent intervals for days or months, gradually decreasing in intensity.
- primary tremors
- secondary tremors
- aftershocks
- surface waves
14.
What is the order in which seismic waves are recorded by a seismometer?
- S-wave, P-wave, surface wave
- surface wave, P-wave, S-wave
- P-wave, S-wave, surface wave
- S-wave, surface wave, P-wave
15.
The Richter scale
- is not as accurate as the Mercalli scale.
- is based on vibrations of the air.
- measures of the strength of a seismic wave.
- measures heat.
16.
Scientists can earthquakes by using seismographs, the Mercalli scale, and the Richter scale.
- measure
- predict
- weaken
- cause
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