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Volcanic Eruptions and Earthquakes - Lesson Game
Terms in this set (21)
Where do volcanoes form?
All of the above.
A hot spot is a place where __________ from the mantle rises to the crust.
Why does Iceland have so many volcanoes?
It is on both a hot spot and a divergent boundary.
Volcanic eruptions are classified into two categories: ___________.
explosive and nonexplosive
Explosive eruptions are associated with _________ magma, which contains dissolved gases.
Which of the following is NOT a precursor event for a volcanic eruption?
the air gets very dry
In the following set of numbers, what is the frequency of the number 12? 11, 12, 12, 12, 13, 13, 14, 14
Magnitude is a __________ that represents the strength or intensity of an event like a volcanic eruption.
One way to mitigate the effects of a volcanic eruption is to
evacuate the surrounding areas.
What two types of boundaries do earthquakes mostly occur at?
convergent and transform
Earthquakes occur within tectonic plates ____________.
As plates try to slide past each other they ___________, and earthquakes occur when the pressure builds up and they ___________.
get stuck; snap free
What type of seismic wave travels through the Earth's interior?
Body waves have _________ wavelengths and travel __________ surface waves.
shorter; faster than
The _________ of an earthquake is the location on Earth's surface directly above the earthquake's focus. It is also where the most shaking usually occurs.
The shaking that people feel from an earthquake is caused by ___________.
Do earthquakes have precursor events?
Earthquakes are _________ to happen where they've happened before.
Which of the following is an example of how Japan mitigates the effects of its earthquakes?
High-rise buildings are built on top of rubber shock absorbers.
To decide on criteria for structure strength, engineers look at ________ to determine __________.
historical data; earthquake hazard risks
You can protect yourself from the dangers of volcanoes and earthquakes by
All of the above.
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