1. ES Ch 1.2 Earth’s Interior BIG QUESTIONS
How do Geologists Learn about Earth’s interior??
What are the features of Earth’s Crust, Mantle, and Core??

2. Evidence of Earth’s Interior
Direct: from Rock Samples
Drills km
Volcanoes- 100 km
Labs- recreated layers and force
Indirect: from Seismic Waves
Produced by earthquakes
Study how they travel through Earth’s interior

4. The Crust Solid Rock that includes both dry land and the ocean floor
Ocean Crust: Basalt
Continental Crust: Granite

5. Mantle Lithosphere Uppermost part of Mantle
Similar to crust in composition and texture
Asthenosphere
Below lithosphere
Higher pressure
Bends but doesn’t break

6. Core Inner Core Dense ball of solid metal Extreme temp. and pressure
Outer Core
Molten metal surrounding inner core

7. ES Ch 1.2 Earth’s Interior BIG QUESTIONS Try Them Now!
How do Geologists Learn about Earth’s interior??
What are the features of Earth’s Crust, Mantle, and Core??