The Eruption Of Mount St Helens Video Sheet printable pdf download

The Eruption of Mount St. Helens

Name ______________________________

IMAX DVD

Score ______/ 27 points

1. Mount Rainier is in what US state? _____________________

2. Mount Hood is the _____________________ in Oregon.

3. TRUE OR FALSE

These mountains are also volcanoes.

4. Crater Lake used to be _____________________. Now it is a_____________________

5. TRUE OR FALSE

Mount Mazama is now extinct.

6. In what year did Mount St. Helens erupt? _____________________

7. The energy released during Mount St. Helens’ eruption was equal to _________________ atomic bombs.

8. TRUE OR FALSE

An earthquake and landslide began the eruption.

9. The explosion could be heard __________ miles away.

10. Clouds of ______ were carried 16 miles above the volcano.

11. Winds carried the ash to the ________.

12. TRUE OR FALSE

Idaho, Montana and Washington were covered with up to 3 inches of ash.

13. ______ people were killed in the eruption of Mount St. Helens.

14. Mount St. Helens erupted again _____________________ later. This time spreading it’s ash in which

direction? _____________________

15. The direction the trees lay on the ground indicated the __________________________________.

16. Craters were created by _____________________ that flew through the air during the eruption.

17. Three weeks later _____________________ continued to come out the volcano’s vent.

18. TRUE OR FALSE

Mount St. Helens only erupted those 2 times.

19. After each eruption, a _____________________ forms. It looks small in the huge crater but it is actually

________feet wide. (about the size of a football field)

20. Ten years later, the lava dome had grown to more than _______ feet in height.

21. If this growth continues, the lava dome will fill the crater in ______ years, and in _______ years it will be

back to where it was pre-eruption.

22. TRUE OR FALSE

Spirit Lake still has thousands of dead trees floating on its surface.

23. TRUE OR FALSE

The area around Mount St. Helens has yet to naturally rebuild itself.

The Eruption Of Mount St Helens Video Sheet