Went over how to describe the direction of vectors as some angle so many degrees and in what direction from one of the coordinate axes (N S E W)
Did several examples in class of describing vectors.
Checked over homework sheets for constructions of parallelograms while students measured angles and described vectors.
Handed out packet on problem solving strategy for d,s,t. Students worked on packet.
If they did not finish, they were to finish the packet for homework.
Showed some demos with dry ice.
In block 4, we actually obtained and plotted temperature and pressure points, plotted the graph, and extrapolated to zero pressure to find absolute zero. Also made quarters squeal when pressed into dry ice.
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