Homework:
 - The unit 4 test was announced today. It is tentatively planed for Friday, January 20th. Like last time, you may use the review questions on the test. The vocabulary list for the unit has also been posted. You may not use the vocab list on the test. The test will cover physical/chemical properties/change, weathering, and the rock cycle (which we haven't got to yet).
 - Please hold on to your museum packet. We shall review it when we get to unit 5.

Absent students:
Today we started our weathering lab. When you come in tomorrow, see me for a copy of the packet and get the data from your table group.

Today in class we:
 - Discussed the upcoming test.
 - Started the weathering lab.

Handouts:
You received one handout in class today:
 - Handout 85: Weathering Lab Data Sheet