Vocabulary
Volcanoes
Volcanic Materials
All Things Magma
Toss Up
100
This is the area on Earth's surface through which magma flows and gases pass
What is a volcano?
100
This type of volcano is flat and spread out
What is a shield volcano?
100
This type of material is made of glasslike slivers of hardened gases
What is volcanic ash?
100
Magma can be formed when these two things change
What are temperature and pressure?
100
These are the two types of eruptions
What are explosive and nonexplosive?
200
This is a funnel-shaped pit near the central vent of a volcano
What is a crater?
200
This type of volcano has never erupted in recorded history
What is extinct?
200
This type of material is flows underwater and forms rounded lumps
What is pillow lava?
200
This is the name for magma that flows onto the Earth's surface
What is lava?
200
This is where most volcanoes form
What is at tectonic plate boundaries?
300
These are places where there is volcanic activity that is away from plate boundaries
What are hot spots?
300
This type of volcano looks like a safety item from Kiss-n-Go
What is a Cinder Cone volcano?
300
This type of material is made of large blobs of hardened magma that cooled as it flew through the air
What is a volcanic bomb?
300
This is the name for magma that explodes into the Earth's atmosphere
What is pyroclastic material?
300
This type of eruption prediction method uses a tiltmeter
What is measuring slope?
400
This is something that forms after repeated eruptions of lava that are spread out over a large area
What is a lava plateau?
400
This type of volcano has not erupted in a long time but shows a history of eruptions in the past
What is dormant?
400
This type of material means "little stones"
What is lapilli?
400
An increase in either of these two materials can cause explosions
What are silica and water?
400
This is the process by which oceanic crust slides under continental crust
What is subduction?
500
This is a set of deep cracks that form between tectonic plates that have separated
What is a rift zone?
500
This is a volcanic landform that is formed when a magma chamber empties
What is a caldera?
500
This type of material flows slowly and looks like rounded wrinkles
What is pahoehoe?
500
This is a big pool of liquid rock under the surface of the Earth
What is a magma chamber?
500
These are the four ways scientists can predict when the next eruption will happen
What are measuring small quakes, gases, slope, and temperature?
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