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Chapter 5 Volcanoes
1) On which plate boundaries are volcanoes typically found?
2) What is the difference between magma and lava?
3) Why are so many volcanoes found on the Ring of Fire in the Pacific Ocean?
4) What do you know about Magma?
5) List magma types in order of increasing viscosity (least viscous first).
6) Which magma types will flow the fastest?
7) Which type of magma typically results in the greatest explosive events?
8) What is a volatile?
9) From whence does tephra come?
10) Which volcano type is the most highly explosive?
11) Which volcano type is composed mostly of tephra?
12) Mauna Loa in Hawaii is an example of which type of volcano?
13) Mt. St. Helens in Washington is an example of which type of volcano?
14) If you see a volcano that has gentle slopes and is very large, what kind of volcano is it and what is it made from?
15) Why are composite volcanoes dangerous?
16) Why do Cinder Cone volcanoes have steep slopes?
17) What is the difference between a crater and a caldera?
18) How does a geyser erupt?
19) What do you know about caldera eruptions?
20) Where is the majority of lava extruded?
21) At which plate boundary is more viscous lava found?
22) In which two environments are shield volcanoes found?
23) Which volcanic environments would have the most explosive volcanoes?
24) Where are volcanoes found/not found?
25) What type of volcano is found in Iceland?
26) Which volcano types are found in the United States?
27) How are volcanoes at Hot Spots different from those at Subduction Zones?
28) About how many volcanic eruptions occur every year?
29) In the past 50 years, have there been any deaths attributed to a volcanic eruption?
30) Where are the majority of the active volcanoes in the United States?
31) What is the best reason why lava isn't a threat to human life?
32) Which volcanic hazard is responsible for the most deaths?
33) Where is the best place to be during a pyroclastic flow?
34) Why is an Ash Fall hazardous?
35) What is a pyroclastic flow?
36) Which gas is the most abundant in a volcanic eruption?
37) How might you escape from a lahar?
38) Many cities around Mt. Rainier are built on old lahars. What might people in these areas expect in an eruption?
39) Which of following effects might an area see even if the volcano does not actually erupt?
40) Which hazards are associated with the explosion of Mt. St. Helens?
41) How do volcanoes contribute to climate change?
42) Which natural hazards are caused by volcanoes?
43) Why are volcanoes beneficial to the earth and its inhabitants?
44) Are humans responsible for volcanic eruptions?
45) What evidence is used to determine whether a volcanic eruption is expected?
46) Why do scientists study earthquakes to predict a volcanic eruption?
47) What do the colors on the aviation color codes mean?
48) Why do people live near volcanoes?
49) If a volcanic eruption was to be predicted for your area, what is the best course of action?