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Thursday (Unit 2B-Day 2)

October 18, 2007

In Class: 1) Stamp Prelab (including ready-Data Table) . 2) Do IM 2A.3 Converting Copper lab. Measure all mass to nearest .01 grams. Save collected sample in labeled vial. 3) When finished, get data table stamped. 4) Get group for metal research and assigned metal for MD 2B.2 in class Friday. At least use the following websites:
All Metals:http://minerals.usgs.gov/minerals/ and http://pearl1.lanl.gov/periodic/default.htlm
Al: www.aluminum.org
Cu: www.copper.org
Fe: http://www.worldsteel.org/usteel.php
Pb: http://www.ldaint.org/default.html
Ni: www.nickelinstitute.org
Ag: http://www.silverinstitute.org/index.php

Zn: www.zincworld.org
Sn: http://minerals.usgs.gov/minerals/pubs/commodity/tin/

Homework due Friday (Unit 2B-Day 3): Adjust Unit 2B Schedule. 1) Postlab IM 2A.3 Converting Copper . (See Investigation Guidelines) 2) Do research for MD2B.2 and begin questions. 3) Finish Partner Sheet drawings or labelling and/or coloring your periodic table for your comp book.

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