Earth's Dynamic Interior Part 2

S9 Earth's Dynamic Interior Part 2

S9U6L1P2

Evidence of Structure and Composition

Open Ended

The term "crust" and "lithosphere" are often used interchangeably, but they are not the same thing. How are the crust and lithosphere similar? How are they different? Why do you think people confuse the terms?

Outer Layers

The next slide will show a diagram of the lithosphere

You will answer this question in the next two slides.

"Look at the diagram of the lithosphere. Which of the major features shown can be studied directly? Which can be understood only through indirect observations or interpretations of other forms of data?"

Open Ended

Look at the diagram of the lithosphere. Which of the major features shown can be studied directly? Which can be understood only through indirect observations or interpretations of other forms of data?

The next two slides require calculation and some research work. Please be prepared.

Open Ended

What is the Earth's average density based on the given values?

Earth's mass = 

 $5.98\times10\wedge24\ kg$  
Radius=
 $6371\ km$  

Open Ended

How does it compare to the average density of rocks on Earth's surface?

End of Presentation