Start your online tour of fearsome firespouting volcanoes:

Write your answers in the spaces below or on a separate sheet of paper.

1. A volcanic eruption occurs when pressures in the earth force hot liquefied rock called _____________________ to the volcano's surface.

www.nationalgeographic.com/eye/volcanoes/phenomena.html

2. What is the name of the largest volcano on earth? In which state is it found?

http://volcano.und.nodak.edu/vwdocs/volc_images/north_america/hawaii/mauna_loa.html

3. Ther are five major kinds of volcanoes, including the lava dome, the stratovolcano, and the caldera. How is the caldera formed?

http://vulcan.wr.usgs.gov/Photo/Pictograms/volcano_types.html

4. Prior to erupting, a volcano can release gases and produce small _________________________ .

http://www.learner.org/exhibits/volcanoes/forecast.html

5. How many active volcanoes are there in the world?

a. 50 b. 100 c. More than 500 d. More than 2,000

http://www.fema.gov/kids/volfacts.htm

6. Earth is not the only volcanic planet. In fact, the planet in our solar system with the most volcanoes is ________________ .

http://volcano.und.nodak.edu/vwdocs/planet_volcano/venus

7. Scientists can learn about a live volcano by sending _______________________ like Dante II deep into its crater.

http://volcano.und.nodak.edu/vwdocs/vw_news/dante.html

8. A volcanic eruption causes serious environmental hazards. Name two of these hazards.

________________________and _____________________ .

http://www. learner.org/exhibits/volcanoes/judgehaz.html