Volcano basics
Earthquake!!!
Do the WAVE
Seismic Stumpers
Vocab Anyone?
100
This type of volcano has a broad, flat cone shape with gently sloping sides.
What is a shield volcano.
100
True or False - Earthquakes occur only on land.
What is false.
100
The three major seismic waves.
What is Primary, Secondary, and Surface
100
Seismogram from how many different seismic stations are needed to locate an earthquake's epicenter.
What is three.
100
An opening in the Earth's crust through which molten rock, rock fragments, and hot gases erupt.
What is a volcano.
200
This type of volcano is composed of alternating layers of lava and rock particles.
What is a composite or stratovolcano.
200
Scientists who study earthquakes and seismic waves.
What is a seismologist.
200
This is the fastest moving seismic wave.
What is primary wave.
200
What letter is used to represent surface waves.
What is L.
200
Molten rock that reaches the Earth's surface.
What is lava.
300
A dense cloud of super-hot gases and rock fragments that races downhill.
What is a pyroclastic flow.
300
The point beneath the Earth's surface where the energy release occurs.
What is the focus.
300
This type of wave does not travel through a liquid.
What is secondary wave.
300
What earthquake scale is based on the amplitude of seismic waves recorded on a seismograph.
What is Richter scale.
300
These are hot springs that erupt and send hot water shooting into the air.
What is geysers.
400
Volcanic rock fragments that contain holes and tunnels left by escaping gases.
What are cinders.
400
Measure of the energy released by an earthquake.
What is magnitude.
400
This is the instrument scientists use to record seismic waves.
What is seismograph.
400
Structures weakened by an earthquake can collapse during shaking caused by these.
What is aftershocks.
400
This is the most dangerous type of volcanic eruption.
What is pyroclastic flow.
500
This is a mineral found in magma and it is what the explosiveness of a volcanic eruption mostly depends on.
What is silica content.
500
A break in the Earth's crust where earthquakes often occur.
What is a fault.
500
Earthquakes under the sea that causes a sudden movement of the ocean floor.
What is a tsunami.
500
Energy travels through these vibrations caused by earthquakes.
What is seismic waves.
500
These are large, rising bodies of magma not found at plate boundaries.
What is hot spots.
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