Mount St. Helens

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

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

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

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

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

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

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

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

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