Power point Rocks: Download Chapter 4 Rocks
1st, 3rd, and 5th pd classes test over chapter 4 Wednesday, Oct 5th.
2nd and 4th pd classes, test over chapter 4 Thursday, Oct 6th.
5 bonus points added to test if you define the 3 words associated with rocks - porphorytic, aphanitic, phaneritic. Write the definitions on paper and turn in to me the day of the test.