Name: ______Date: ______Period: ___

Webquest: Volcanoes

I. Classifying Volcanoes

Use online resources to find the location and classification of the following volcanoes:

VOLCANO / LOCATION / COMPOSITE / SHIELD / CINDER CONE
Mt.Pinatubo
Mount Hood
Kilauea
Paricutin
MountCotopaxi
Mount Saint Helens
Mount Rainier
Mauna Loa
Mount Fuji
Mount Shasta
Mt.Etna

II. The Dynamic Earth Interactive Site

Go to :

 Click on Multimedia Version.

 Click on Plate Tectonics and Volcanoes.

 Click on Volcanoes and Hot Spots.

 Click on “Volcano Profiles” (in yellow near the top of the page)

1. What kind of lavas build steep cones? ______

2. Where are cinder cones found? ______

______

3. What is a lava dome? ______

4. Where does the name “stratovolcano” come from? ______

______

5. Where do shield volcanoes typically form? ______

6. How is a caldera formed? ______

______

7. Why do scientists wonder if flood basalt outpourings changed the history of life on Earth? ______

______

 Click on “Inside an Active Volcano”

8. How do volcanoes grow? ______

9. What is tephra? ______

10. What is a conduit? ______

11. What do you call the rocks that form when flowing lava solidifies? ______

 Click on “Build a Volcano”

Record the type of volcano resulting from the given combinations. Click “Build It” after each to see a simulation.

Volume + Viscosity + Volatiles = Volcano Type

12. Low + Low + Low = ______

13. Low + Low + Med. = ______

14. Med. + Med. + Med. = ______

15. High + Med. + Med. = ______

16. High + Low + Med. = ______

 Click on “Above Hot Spots”

17. What do the Hawaiian Islands and Yellowstone have in common? ______

______

18. (Hawaiian Islands) How many volcanoes have formed over this hot spot? ______

19. What is the name of the submarine volcano south of Hawaii? ______

20. Where do most of Kilauea’s eruptions occur? ______

21. How do pahoehoe lava and aa lava differ? ______

______

22. When will Loihi form an island and merge with Hawaii? ______

23. (YellowstoneNational Park) How many eruptions has Yellowstone experienced? ______

24. What present-day state was originally over the hot spot? ______

25. When was the Huckleberry Ridge Eruption? ______What was the volume? ______

26. What do scientists monitor for warning signs of an eruption? ______

______

 Click on “Tracking Volcanoes”

27. Around the perimeter of which plate are many volcanoes located? ______

28. What is the purpose of the Global Volcanism Program? ______

______

 Click on the red link to “Visit the Global Volcanism Program’s Website”.

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 Click on “Weekly Report” in blue on the left side of the page.

Document 4 of the reported volcanic activities for the week:

1. Volcano: ______Location: ______

Activity reported: ______

Volcano Type: ______

2. Volcano: ______Location: ______

Activity reported: ______

______

Volcano Type: ______

3. Volcano: ______Location: ______

Activity reported: ______

______

Volcano Type: ______

4. Volcano: ______Location: ______

Activity reported: ______

______

Volcano Type: ______