Vocabulary
Hot spots
Miscellaneous
Plate Boundries
Volcanoes
100
What is a Volcano?
A weak spot in the crust where lava leaks out.
100
What do hot spots end up forming?
Volcanoes
100
What was the name of the super-continent?
Pangea
100
What is a convergent boundary?
A boundary where two plate move together forming a volcano.
100
About how many active volcanoes are there?
about 600
200
What comes out of a volcano?
Lava
200
How long does it take for a hot spot to form a chain of volcanoes?
About 1 million years
200
How do you know when a volcano cannot erupt anymore?
When there are no signs of a magma chamber underneath it
200
What is a divergent boundary?
A plate boundary where two plates move away from each other.
200
On the western cost of north American about how many volcanoes are there?
15 to 25
300
Where is the ring of fire?
On the Pacific rim
300
Where do most hot spots occur?
On plate boundaries
300
How did the volcanoes in the Andes Mountains form?
Colliding oceanic and continental plates
300
What landforms do convergent boundaries form.
Mountains
300
Where are most volcanoes located?
On plate boundaries
400
What is the scientific term for lava when it is inside the volcano?
Magma
400
What string of island did a hot spot form?
Hawaii
400
What national park marks a hot spot?
Yellowstone
400
What is a plate boundry?
A place where the edge of two tectonic plates meet.
400
What occurs at a hot spot to form a volcano?
Magma erupts through the surface
500
What is a hot spot?
A large chamber of magma
500
How are hot spots formed?
At hot places underground, the mantle melts releasing magma which collects in one spot
500
What features form as an oceanic plate moves across a hot spot?
Islands form
500
What does the mid ocean ridge represent?
A divergent boundary
500
What type of rock is formed from a volcano?
Igneous
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