Download ES Chapter 10 Study Guide

ES Chapter 10 Study Guide
Name _____________________________________________ Date _____ Hour _____
1. A magma’s viscosity is directly related to its ______.
2. What factors help determine whether a volcanic eruption will be violent or relatively
quiet?
3. A lava flow with a surface of rough, jagged blocks and sharp, angular projections is
called _____________.
4. As the temperature of lava increases, what happens to the viscosity?
5. What is a volcanic bomb?
6. What are the particles produced in volcanic eruptions called?
7. List all the types of pyroclastic material.
8. Large particles of hardened lava ejected from a volcano are called__________
9. What type of volcano is built almost entirely from ejected lava fragments?
10. The broad, slightly done-shaped volcanoes of Hawaii are __________ volcanoes.
11. What is a caldera?
12. How do lava plateaus form?
13. The volcanic landform that is formed when the more resistant volcanic pipe remains
after most of the cone has been eroded is called?
14. What are the structures that form from the cooling and hardening of magma beneath
Earth’s surface called?
15. How are intrusive igneous bodies classified?
16. What is the largest igneous body called?
17. Which type of intrusive feature forms when magma is injected into fractures cutting
across preexisting rock layers?
18. A lens-shaped intrusive igneous mass close to Earth’s surface is called?
19. What commonly horizontal intrusive igneous body is formed when magma is injected
parallel to sedimentary bedding planes?
20. Magma forms when solid rock in the crust and upper mantle _____
21. In general, an increase in the confining pressure results in what change in a rock’s
melting temperature?
22. Most shield volcanoes have grown from the ocean floor to form ___________
23. The volcanic landforms at divergent ocean plate boundaries are _____________
24. Most of the volcanoes on Earth are located in a belt known as the
_______________
25. Where does most intraplate volcanic activity occurs?
26. The Hawaiian islands are associated with what type of volcanism?
27. What are the factors that affect how violently a volcano erupts?
28. What is the most abundant gas associated with volcanic activity?