Peek-a-boo Poster info

1. Crust

• What is it made of?
• How thick is it?
• What is the average thickness?
• What are the two types of crust?  Where are they located?  What are they composed of?

2. Lithosphere

• Description (what are the components?)
• Where is it located?

3. Asthenosphere

• Description
• Where is it located?
• Describe temperature compared to the rest of the mantle

4. Mantle

• Temperature range
• Thickness
• List 3 parts of the mantle
• Composition of the mantle
• Where is it the hottest?  Why?
• Where is it the coolest?  Why?

5. Outer core

• Thickness
• Temperature range
• Composition (include state of matter)

6. Inner core

• Thickness
• Temperature range
• Composition (include state of matter and WHY it is this state)

**For each layer: is it rock or metal?  Molten or solid?  Use pages 110-113 in the textbook to help you with this**