What?
What kind of volcano is mount saint Helens?
A stratovolcano?
Mount Saint Helens has formed as a result of the ongoing _ _ _ _ _ _ _ _ _ _ _.(fill in the blank(one word))
Subduction.
Which way did mount saint Helens erupt from?
a) Top
b) side
c)bottom
b)side
What erose and shot out of the top of the volcano?
Magma
Who was the first person to explore mount saint Helens?
Captain George Vancouver
What kind of problems did mount saint Helens cause?
Problems to the environment and people.
What kind of volcano WAS Mount Saint Helens?
classical cone-shaped volcano
Around how old is mount saint Helens
40,000 years old!!!
Why did Mount saint Helens erupt?
a) earthquakes
b)transform boundaries
c) both
c) both
What are 2 things that Captain George Vancouver discovered?
He discovered that trees survived beneath deep snowbanks and that plants were sprouted from buried soil.
What is a stratovolcano?
A steep-sided volcano
Cascades range
How tall was mount saint Helens before it erupted?
9,677 feet tall!!!
What was the process called that mount saint Helens form in?
Transform boundaries
What did Capitan George Vancouver name the mountain?
MOUNT SAINT HELENS!
Around how many people did mount saint Helens kill?
around 57
What was the name of the tectonic plate that helped Mount Saint Helens form?
Juan de Fuca tectonic plate
What exact date did mount saint Helens erupt?
May 18, 1980
What happens during the process of transform boundaries?
One plate slides past the other creating friction and heat, which causes an explosion.
What did George Vancouver name the mountain after?
He named Mount Saint Helens it in honor of a fellow countryman of his.
What is a specific example of a problem that mount saint Helens caused the people?Hint: it had to do with a car
The ashes from mount saint Helens covered cars with ashes.
Before what date was Mount Saint Helens a classical cone-shaped volcano?
1980!!!
Why did Mount Saint Helens erupt from the side?
It erupted sideways because the landslide exposed the magma in St. Helens' neck to much lower pressure, causing the molten rock and high-pressure steam above it to explode a few seconds after the landslide started. The explosion burst through the side of Mt. St Helens, blasting rock debris in a north direction.
In detail, Why did Mount saint Helens erupt?
a magnitude 5.1 earthquake shook beneath Mount St. Helens and triggered an enormous eruption. Including of earthquakes and plate tectonics.
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