Volcanoes
Divergent Boundaries
Vocab
100
Which country is nearest to the most volcanoes?
North America
100
What is formed on land and under water?
Volcanoes
100
What is magma?
Magma is a molten mixture of rock forming substances, gases, and water from the mantle.
200
Where are the most volcanoes found?
Along plate boundaries.
200
What is a divergent boundary?
Two plates that move apart.
200
What is lava?
Liquid magma that reaches the surface.
300
How are volcanoes formed?
Formed from plate boundaries.
300
Where are several large earthquakes located?
The great rift valley in East Africa.
300
What is a island arc?
A string of islands formed by volcanoes like Hawaii.
400
About how many active volcanoes are there on land?
600
400
Rift Valleys.Where do divergent boundaries occur?
Rift Valleys.
400
What is a hot spot?
It is an area where magma from deep within the mantle melts though the crust above.
500
Name one major volcanic belt.
Ring of fire
500
A weak spot in the crust where magma has come to the surface.What is a volcano?
A weak spot in the crust where magma has come to the surface.
500
What is Mr.Delia?
The Best science teacher ever!
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