Volcanoes
Glaciers
Seismic Waves
Hurricanes
Tornadoes
100

what happened on May 18, 1980

Mt St Helens erupted

100

what is a glacier

solid masses of ice that move across the land

100
how are seismic waves made?

earthquakes

100

how strong are hurricanes

can be like 80 earthquakes in one

100

whats a tornado

A funnel of fast moving air

200
how long was the volcano dormant

123 years

200

What percent of the worlds glaciers is in Alaska

3%

200

Where do they start

A very far point in the ocean

200

when do most hurricanes start

calm, cloudless days

200

what would you see if you walked into a tornado

tons of green and purple lightning

300

whats in a volcano

magma or lava
300

what is trapped in the glaciers

fresh water

300

how high are the waves when they reach land

10-75 ft above land

300

what are hurricane warning signs

ocean waves slow down and ragged clouds build

300

how do tornadoes form

warm, light air meets cool, heavy air

400

how many lakes did the eruption bury

26

400

how big can glaciers be

100 miles long and 2 miles thick

400

How fast are they

450mph minimum

400

how fast can the wind speeds get

over 150mph

400

how long is the  path of a tornado

10-40 miles long

500

Where is Mt St Helens

State of Washington

500

what was the Steele Glacier in Canada's nickname

The galloping glacier

500

what happened in alaska in 1946

A 30 ft seismic wave hit and it carried burning oil from broken tanks

500

how high can the rain get?

70 feet

500

when did the worst tornado in the world happen

1925

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