Week of Feb. 7th

On Monday we went over James Hutton. We talked about his theory of Uniformiterism and Catastrophism. We talked about the similarities and differences. On Tuesday and Wednesday we talked about elements and atoms.

-Elements: gases, liquids, solids; made up of atoms

-Atoms:make up elements; units/ quantities

If you take away neutrons from from an atom you get isotopes. If you take away electrons you get ions.

We also went over rock hardness. Here is the scale:

1 talc
2 gypsome
3 callsite
4 florite
5 feltzbar
6 appatite
7 quartz
8 topaz
9 corumun
10 diamand