Answered questions on reading assignment and then collected them.
Went over problems on worksheet.
Showed potato battery.
Mentioned CIM lab that students will be doing after the electricity test on Tuesday.
CIM Investigation should include using Vernier equipment, a data table, a graph, and a discussion of errors and uncertainties. A more detailed description will be given out next week.
Possibilities could include the potato battery and how it can be set up to light a light. Rolling down an incline (different size hoops, jar with varying amounts of water, comparing speeds and energies at bottom, how high they roll up a ramp, etc)
Students were given battery set up and a breadboard with 3 resistors. They were asked to
1. Look at the color codes of the resistors to determine their values
2. Use the ohmmeter to measure the values. Why don't they all agree?
3a. Measure the voltage (DC) across the battery pack.
3b. Measure the voltages across each resistor.
4. Sketch a schematic of the circuit.
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