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What is a Volcanoe?
Where Do Volcanoes Occur?
Dangerous Volcanoes
Types of Volcanoes
100
A volcano begins deep below the surface of the earth in a
What is a magma chamber
100
75% of earth's active and dormant volcanoes are located here
What is the Ring of Fire
100
About how many volcanic eruptions occur each day/
What is 20
100
Cinder cone volcanoes form from
What is violent eruptions
200
Magma chambers are huge pools of
What is hot, liquid rock
200
Why are so many volcanoes formed along the Ring of Fire?
What is plate tectonics
200
Some volcanoes are violent while others are?
What is quiet
200
Are teh largest volcanoes
What is Shield
300
The opening in the crust where the magma breaks through is called
What is the vent
300
This is where two plate boundaries bump into each other
What is the subduction zone.
300
The most dangerous part of volcanic eruptions is not lava it is/
What is pyroclastics
300
Mount St. Helens in the US is this type of volcano
What is composite
400
This is a depression shaped like a bowl at the top of a volcano
What is a crater
400
Is where tectonic plates are moving apart
What is the rift zone.
400
Eruptions can cause mudslides, produce poisonous gases and
What is tsunamis
400
When a volcano erupts, new _________ is formed.
What is land
500
Are formed when the top or side of a volcano collapse into the magma chamber
What is a caldera
500
A chain of islands formed from volcanoes?
What is the Hawaiian Islands
500
Volcanic ash can cover a wide area. It can also destroy
What is plantes and trees
500
All volcanoes differ in
What is size, shape, and composition