What was the name of the last volcano to erupt in the US?
Mount Saint Helens
What gets trapped in melted rock inside the Earth?
gas
Why do people choose to live near a volcano?
Good for farmimg
Scientists look for _____ that a volcano might erupt soon.
clues
hot, melted rock that comes from deep inside the Earth
lava
What state was the volcano located in?
Washington
After volcanoes erupt under the sea and grow, they become ____________.
Islands
Name one plant that grows well in volcanic soil.
rice or pineapple
What happens to the volcano's size when it's about to erupt?
It gets bigger.
A volcano is _____ when it erupts often
active
What was one of the warning signs this volcano was about to explode?
mountaintop grew larger, cracks formed
A volcano is a little like shaking ___________ and then opening it.
a bottle or can of pop/soda
People use the heat from volcanoes to make ________.
electricity
What happens to the ground when a volcano is about to erupt?
It shakes or rumbles or forms cracks.
asleep, not active
dormant
What did the police warn people to do?
leave the area
What does it mean if a volcano is dormant?
it hasn't erupted for a very long time
In what country do people use volcano heat?
Iceland
What might come out of cracks in the ground before a volcano erupts?
steam
to burst or be thrown out
erupt
What year did this volcano explode?
1980
What does lava become when it cools?
hard rock / part of the mountain
Pipes pump _______ through the hot rocks underground to make steam.
water
What do scientists collect from the ground near active volcanos?
hot rocks or lava
small bits of rock and lava
ash