Types of Volcanoes – Chapter 10 – Quiz Questions #3
pp. 215 - 220

1.      What  two ingredients in magma affect the type of explosion and shape of a volcano?

2.      Under what conditions will magma be very thick and sticky?

3.      Describe what a shield volcano’s eruption is like. Then describe a composite volcano’s eruption.

a. shield volcano eruption:


b. composite volcano eruption:

4.      Compare and contrast these items:

a. pumice:


b. obsidian:


c. ash:

5.      For each of the following statements, indicate which volcano is being described:

a. a cone composed of layers --


b. forms in calderas --



c. forms from a buildup of lava on the ocean floor --