Went over procedure for paper chromatography lab.
Students started lab.
Fire alarm.
Finished setting up lab. Took out coffee filter after the inks ran.
While waiting for the ink to dry, went over Density Labs 1,2,3.
Finished paper chromatography lab by giving each student an unknown. Most students were able to correctly determine which pen gave that mark.
Test and lab test next time on density.
Monday, April 28, 2008
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