Chapter ONE: PLATE TECTONICS
1.1 Earth's Interior
KEY CONCEPTS:
1. How have geologists learned about Earth's inner structure?
2. What are the characteristics of Earth's crust, mantle, and core?

POWER POINT


KEY TERMS:
asthenosphere, basalt, crust, granite, inner core, lithosphere, mantle, outer core, pressure, seismic waves

READING CHECKPOINTS:
Page 8 What causes seismic waves?
Page 10 What is the main type of rock in ocean crust?
Page 11 What is the asthenosphere?
Page 12 What is the main difference between the outer core and the inner core