Answer the following questions. When you are finished click submit.

1. How do proponents of catastophism percieve the age of the Earth?

2. Describe the idea of Uniformitarianism.

3.Why do uniformitarians percieve Earth to be very old?

4. What are the four spheres that consitute our environment?

5. Describe the events that led to the formation of the solar sytem?

6. List and describe Earth's compositional divisions?

7. Define: Proton, Neutron, Electron, Atomic Mass, and Isotope.

8. What are the differences between Ionic and Covalent bonding?

9. Why is color not a reliable property for use in mineral identification?

10. Name the four major silicate structural groups.