Mount St. Helens

When did Mount St. Helens violently erupt after 2 months of intense earthquakes? (page 1)

• May 18, 1980

• March 20, 1980

• April 1, 2022

• May 1, 2000

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

True or False: A cloud of ash grew to be 80,000 feet high in 15 minutes. (Page 1)

• True

• False

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS3-2

True or False: All plants and animals that were in the blast zone of Mount St. Helens died. (Page 1)

• True

• False

Tags

NGSS.MS-LS2-4

What organism was found to be alive, protected by hibernating in the mud after the eruption of Mount St. Helens? (Page 1)

• Salamanders

• black bears

• deer

Tags

NGSS.MS-LS2-4

What protected the fish during the explosion of Mount St. Helens? (Page 1)

• Hibernating in the mud

• Ice-covered lakes

• underground burrows

What helped to bring seeds and insects to the area after the eruption? (Page 2)

• wind

• rain

• snow

• sun

What animals did plants and insects attract? (Page 2). Check all that are correct!

• birds

• deer

• elk

• frogs

Tags

NGSS.MS-LS2-1

Check all the ways that seeds were brought into the area: (Page 2)

• wind

• bird feathers

• rain

• elk droppings

Tags

NGSS.MS-LS2-2

True or False: Most of the plants and animal species that were found at Mount St. Helens before the 1980 eruption have returned. (Page 2)

• True

• False

Tags

NGSS.MS-LS2-4

Check all the ways the lupine plant help the landscape grow back: (Page 2)

• added nitrogen to the soil

• attracted insects

• killed insects