Vocabulary
Volcanoes and Plate Tectonics
Properties of Magma and Lava
Volcanic Eruptions
Volcanic Landforms
100
volcano
What is a weak spot in the crust where molten material, or magma, comes to the surface?
100
Volcanic Belts
What forms along the boundaries of Earth's plates?
100
Viscosity is the resistance to an object to flowing.
What is viscosity?
100
The vent.
What part of the volcano is the magma realesed?
100
A geyser.
What is a fountain of water ande steam that erupts from the ground.
200
Magma
What is a molten mixture of rock forming substances, gases, and water from the mantle?
200
Volcanic Mountains
A hot spot in the ocean floor can graduallyform a series of what?
200
Aa
What has higher viscosity, Pahoehoe or Aa?
200
As Quiet or Explosive
What are volcanic eruptions classified as?
200
Hot springs and geysers
Name two types of geothermal activity.
300
A Volcanic Neck
What forms when magma hardens in a volcano's pipe?
300
Diverging
When a volcano forms along the midocean ridges, it marks the what plate boundaries?
300
more easily
Because liquids differ in viscosity, some liquids flow... than others.
300
Active, Dormant, or Extinct
Name two out of the three ways in which you can use to describe a volcano's stage of activity?
300
Volcanic necks, dikes, and sills, batholiths, and dome mountains.
Name three of the five types different features formed by magma.
400
Pahoehoe
What is fast-moving, hot lava that has low viscosity?
400
Oceanic Plates
Volcanoes often form where two what collide?
400
A substance or to predict how it will behave.
If every substance has a particular set of physical and chemical property, then those properties can be used to identify what?
400
True
True or False A quiet eruption is just as hazardous as a explosive one.
400
Shield volcanoes, cinder cone volcanoes, composite volcanoes, and lava plateaus.
Name two of three land forms that lava, from volcanic eruptions, can create.
500
Pyroclastic Flow
What occurs when an explosive eruption hurls out a mixture of hot gases, ash, cinders, and bombs?
500
It builds up Earth's surface.
When lava is released during volcanic activity, what does it do to the Earth's surface.
500
Any property that produces a change in the composition of matter.
Define what a chemical property is.
500
Expanding gases that push the magma from the magma chamber through the pipe until it flows orexplodes out of the vent.
What causes a volcano to push the magma out of the magma chamber.
500
A mass of rock formed when a large body of magma cools inside the Earth's crust.
What is a batholith?
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