1. Biology At the beginning of class: Pick up: Poster rubric (yellow paper) –Due: Friday Part 2 of your study guides (purple paper) Ms. Ray will explain…. Science notebook open to pg. 52 Draw a pH scale - page 52 – You can find a pH scale on page 43 in your science book….Give examples of acids and bases – You have 10 minutes You will need your pH scale for the next activity

2. Consequences of having a large carbon footprint and too much pollution…. Page 52 – you need the following on pg 52 pH scale draw a lake under your pH scale Also make a data table near your lake Death of Your Lake directions Listen and Look as Ms. Ray goes through: Death of your Lake Make corrections to your lake – use your pH scale as needed CONCLUSION – PG 53 – DUE: Thursday Also due: Thursday, – Study guides 16.3