Download Volcano Webquest

Volcano Webquest
Name:
Per:
Date:
Go to
http://vulcan.wr.usgs.gov/Outreach/AboutVolcanoes/what_is_a_volcano.html to answer the
following questions. As you complete each page of the website, click the button
in the lower right corner to proceed to the next page.
The answers should be complete, thorough and in your own words.
1. What does the word "Volcano come from?
2. How do volcanic mountains differ from folded mountains?
3. What is the driving force behind a volcanic eruption?
4.
What happens to the finest ash particles that get ejected from the volcano during an
eruption?
5. What causes the gases in magma to expand?
6. What has to happen to magma before it can become lava?
7. Describe what lava that flows from a non-explosive volcano is like.
8. What happens when a volcano's lava is thick and sticky?
9. How can volcanic ash harm plants and animals?
10. If you had to make a general statement about where on the earth volcanoes are found,
what would that statement be?
11. Where else can volcanoes form?
12. What happens when a subducting plate reaches about 100 kilometers depth?
13. What type of warnings are sometimes given prior to a magma/lava eruption?
14. Why can't we predict the actual date and time of a volcanic eruption?
15. How hot is the basalt lava from the Kilauea volcano in Hawaii?
16. What do the different colors of lava mean?
17. Can we divert lava (make lava go a different direction)?
18. Can a volcano affect the weather? If so how?
19. List the different types of volcanoes.