Volcano The Eruption and Healing of Mount St. Helens Vocab

Everyday the ___ is moving under the Earth's crust.

• Magma

• Layer

• Lava

• Avalanche

• Explosion

Many __ make up the Earth, these include the core, mantle and crust.

• Magma

• Layers

• Lava

• Avalanche

• Explosion

_____ flows out of the vent in the volcano slowly building up the land.

• Magma

• Layers

• Lava

• Avalanche

• Explosion

Before Mount St. Helen's erupted there was a shift in the land and an _____ started.

• Magma

• Layers

• Lava

• Avalanche

• Explosion

After the Earth shook a loud ___ followed and the sky was filled ash and steam.

• Magma

• Layers

• Lava

• Avalanche

• Explosion

When Mount St. Helen erupted there were no _____ around the peak of the mountain.

• Survivors

• Colonizers

• Ecosystem

• Earthquake

• Mudslide

Long after Mount St. Helen erupted the ____ came back to the land, this included animals, plants and fungi.

• Survivors

• Colonizers

• Ecosystem

• Earthquake

• Mudslide

Different animals, plants and fungi that came to the area made up the ____ after the eruption.

• Survivors

• Colonizers

• Ecosystem

• Earthquake

• Mudslide

Before the eruption, the geologist felt an ____ and read it on the seismograph.

• Survivors

• Colonizers

• Ecosystem

• Earthquake

• Mudslide

When mud built up it fell down the sides of the mountain, a great ____ started and covered the hillside.

• Survivors

• Colonizers

• Ecosystem

• Earthquake

• Mudslide