SCI 209 Week 1 DQs

This file of SCI 209 Week 1 Discussion Questions includes:

The layers of the Earth can be classified in two different ways, by chemical composition and physical properties. Name the three layers of Earth based on chemical composition and the five layers of Earth based on physical properties. Why does the chemical composition model have three layers and the physical property model have five layers? Here is an excellent resource to use as a starting point for your research. Use this in addition to your text. Click Next to go through the presentation.