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Parts of a Volcano
Volcanic Landforms
Vocabulary
Misc.
Eruptions
100
This is magma that flows out onto Earth's surface.
What is lava?
100
what three kinds of of volcanic mountains?
What are : Cindercone, Shield, and Composite
100
Hot, melted rock beneath the earth's surface
What is magma?
100
Where do most volcanoes occur?
Most volcanoes, like most earthquakes, occur along the boundaries between shifting tectonic plates.
100
Volcanoes that erupt constantly.
WHat are active volcanoes?
200
What are magma chambers?
Magma chambers contain magma deep with in the earth's crust
200
A cone-shaped volcano of cinders, with a narrow base and steep sides
What is a cinder-cone volcano?
200
Scientists who study Earth's history and structure.
Who are geologists?
200
These volcanoes have become inactive, but people are not certain that they will not erupt again.
What are dormant volcanoes?
300
what is a vent?
Openings through which volcanic materials erupt are called vents.
300
This type of volcano is made up of layers of lava rocks, and is created slowly that's why it has gentle and broad sides.
What is a shield volcano?
300
This was the name givent o the Supercontinent that geologists believe once existed.
What is Pangea?
300
Where is the Ring of Fire?
Where is around the Pacific Ocean?
300
Volcanoes that will never erupt again.
What are extinct volcanoes.
400
These are cup-shaped depressions that form a round a volcano's vent.
What are craters?
400
This type of volcanic landform is made up of layers of lava flows alternating with layers of ash, cinders, and rocks.
What is a composite volcano?
400
What United State is considered a chain of volcanic islands?
What is Hawaii?
400
Which famous geologist formulated the Theory of Plate Tectonics?
Who is Alfred Wegener?
500
This forms in the air after some volcanic eruptions.
What is an ash cloud?
500
A stationary pool of magma below the Earth's surface.
What is a hot spot?
500
Describe the 2 pieces of evidence that support Alfred Wegenr's Theory of Plate Tectonics.
1. rocks found in the mountains of Western Africa and Eastern South America match. 2. The same fossils have been found in Africa and S. America.
500
What does the Theory of Plate Tectonics state?
Earth's continents were once joined in one landmass, but gradually pulled apart and drifted.