1. Chapter 7: Volcanism and Extrusive Rocks
How Does Volcanic Activity Affect Humans?
What Determines the Degree of Violence
Associated with Volcanic Activity?
What Kinds of Rocks Do Volcanoes Produce?
What Are the Characteristics of
Different Types of Volcanoes?
What Are Lava Flows?
Can Volcanoes Erupt Underwater?

2. Sequence of Events at Mount St. Helens, 05/18/80
Box 7.1 – Figure 1

3. The Development of Crater Lake
Figure 7.4

4. The Cascade Volcanoes
Figure 7.5

5. Volcano Fatalities
Figure 7.6

6. Summary of Textures in Volcanic Rocks
Table 7.1

7. Cutaway View of a Shield Volcano
Figure 7.16a

8. Cutaway View of a Composite Volcano
Figure 7.21a

9. Recently Active Major Volcanoes
Figure 7.22

10. Volcanic Dome Forming in the Crater of a Composite Cone
Figure 7.26

11. One-Billion-Year-Old Metamophosed Pillow Basalts of the Canadian Shield
Photo by N. Eyles
Figure 7.30b

12. Answers to Selected Testing Your Knowledge Questions
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19. D C E A
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13. Additional Resources Student Resources Instructor Resources
Student Online Learning Centre
The robust Student Edition of the Online Learning Centre at features quizzes for study and review, interactive exercises and animation, as well as additional boxed readings, searchable glossary, “Virtual Vista” environments, suggestions for further reading, and much more!
Laboratory Manual
The Lab Manual to accompany Physical Geology and the Environment has been created as a resource for laboratory sessions in physical geology, mirroring the "Inquiry-Based Approach" of the text. Structured on exercises and corresponding background concepts, the lab manual contains student-friendly worksheets, and has been perforated for easy lab use.
Instructor Resources
Instructor Online Learning Centre
The OLC at includes a password-protected Web site for Instructors. The site offers downloadable supplements and access to PageOut, the McGraw-Hill Ryerson Web site development centre.
Instructor’s Manual – The IM contains a chapter overview, list of changes per chapter, chapter learning objectives, further information on boxed features, short and long discussion/essay questions, and details on additional readings and resources outside the textbook.
Test Bank – Contains a bank of multiple-choice and true/false questions per chapter.
Microsoft PowerPoint Presentation – This presentation system offers visual presentations that may be edited and manipulated to fit a particular course format. They also contain selected solutions to the problem material.
Transparencies
A set of more than 200 transparencies tied to the text content are available for instructors.