2. List out the major 3 layers of the earth?

3. List out the subdivisions of the Mantle?

4. Pick two layers and describe their characteristics. I recommend you pick the layers that you found the most interesting or were the most surprising. For example:

Mr. Flinner finds the scale of the core, both inner and outer core, very surprising. It is amazing that such a significant portion of the earth's interior is made up of molten metal. That's so metal... :P