volcanoes
mountain
earthquakes
Plates
tsunamis
100
Whats inside a volcano?
Magma
100
How do mountains form?
When 2 plates collide and 1 pushes up.
100
How do eathquakes happen?
When 2 plates collide and slide across each other
100
How many plates are there in the world?
12 or more
100
How do sunamis form?
From the vibration of the earthquake.
200
How long does it take for volcanoes to form?
about 10,000 to 500,000 years
200
What is the name of the mounain chain we live on?
Allegheny Mountains/Appalachian mountains
200
Why do earthquakes not happen here?
Because were not on a boundaries of plates.
200
What plate do we live on?
North american plate
200
Where was the most recent damage form a Tsunami?
Japan
300
How do volcanoes form?
Magma building up over time.
300
How many mountains are in West Virginia?
1,568,257
300
how many people died in the hati earthquake?
316,000
300
What plate movement makes an earthquake happen?
When they slide past each other.
300
How many tsunamis have happened from 2009-2011?
About 7
400
What type of rock are volcanoes made of?
Magmas, igneous rocks, volcanoes, and plutons
400
What causes montains to get smaller?
Erosion
400
what state in the U.S has the most damage from earthquakes?
California
400
What was the total amount of damage from japans tsunami?
$300billion
500
How many volcanoes are in the world?
about 1,500
500
What is the oldest mountain in the U.S.?
Appalachian mountains
500
What usally falls during an earthquake?
Buildings
500
How many plates were there in pangea?
1
500
How many people died from the tsunami in Japan?
15,861
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