Chapter 5 – Volcanoes Study Guide
Name: ______________________
1. What is the difference between
magma and lava?
2. How are sills and dikes different?
3. Which type of volcano always has
a quiet eruption?
4. What is a caldera?
5. Describe at least 2 hazards that
are associated with volcanoes
(i.e. landslides)?
6. This is a mixture of hot gases,
ash, cinders, and bombs that
flow down the sides of a volcano
when it erupts explosively.
7. Describe the different stages of
volcanic activity:
dormant, active, extinct
8. True or False. Volcanoes can
form at divergent, convergent,
and transform boundaries.
9. Give an example of a lava plateau
that can be found in the United
States.
10. List at least 3 warning signs
geologists might detect shortly
before a volcano erupts.
11. Whether an eruption is quiet or
explosive depends on what?
12. When magma hardens in a
volcano’s pipe and the
surrounding rock wears away,
what landform is created?
13. Describe the sizes of volcanic
ash, volcanic cinders, and
volcanic bombs.
14. Describe how the three types of
volcanoes form.
15. What provides the force that
causes magma to erupt to the
surface?
16. What are the three types of
volcanoes? Do they have quiet
or explosive eruptions?
17. List and describe at least 4
landforms created by lava, ash,
or magma.
18. A major belt of volcanoes that
surrounds the Pacific Ocean is
known as the
___________________.
19. When one oceanic plate is
subducted beneath a second
oceanic plate, this string of
volcanoes forms.
20. What is a crater?
21. This is a mass of rock formed
when a large body of magma
cools inside the crust.
Chapter 5 – Volcanoes Study Guide