Mt. St. Helens Quick Check

When was the main eruption of Mt. St. Helens that caused mass destruction from the video?

• May 18, 1890

• May 18, 1980

• May 18, 2020

• May 18, 1974

Where is Mt. St. Helens located?

• Japan

• Italy

• California

• Washington state

What is a mass of ash, lava fragments, and hot gases ejected from a volcano and typically flowing downslope at a great speed?

• fireworks

• magma

• pyroclastic flow

• underwater volcano

Tags

NGSS.MS-ESS3-2

What happened to the birds and insects near Mt. St. Helens?

• Thousands of birds and billions of insects disappeared.

• Only a handful of birds and insects disappeared.

• Hundreds of birds and insects disappeared.

• The birds and insects survived the eruption.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What happened to Spirit Lake after the eruption of Mt. St. Helens?

• It was filled with trees that were torn apart.

• The marine animals were killed in the lake.

• The lake was crystal clear.

• The lake was no longer clear.

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS2-2

What is the area called where a large number of earthquakes and volcanic eruptions occur around the rim of the Pacific Ocean?

• Ring of Flames

• Ring of Fire

• Ring of Ice

• Ring of Lava

Tags

NGSS.MS-ESS3-2

What did the landscape look like after Mt. St. Helens erupted?

• Trees were left standing and many creatures survived.

• The landscape was barren.

• Plants, trees, animals, and insects were destroyed.

• A mile wide crater was formed in the mountain.

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS2-2

What has caused the volcano at Mt. St. Helens?

• Two tectonic plates coming together and one going under the other and allowing the magma to build up.

• Two tectonic plates separating.

• Underwater volcanoes erupting and forming new land.

• Tectonic plates not moving and remaining still.

Tags

NGSS.MS-ESS2-1

What were the first signs of life on the mountain after the eruption?

• Fresh dirt and soil and the appearance of a salamander.

• Elk and deer appear on the mountain.

• Fish appear in Spirit Lake.

• Fresh dirt and soil and the appearance of a pocket gopher.

What is the name of a hardy (strong) species that is the first to colonize (settle) in a previously damaged ecosystem?

• bold species

• power species

• pioneering species

• fragile species