Monday, Sept 15, 2008 - Block 1

Collected RA 1

Asked if there were any questions on uncertainty or on the Excel Lab.

Showed how to include error bars in Excel.

Described max min method of finding uncertainty in slope.

Talked about skills needed in Physics
We've already covered estimation and graphing
Need ways to express big and small numbers - two ways - scientific notation and metric prefixes.

Asked for examples of big and small objects and wrote their sizes in scientific notation. Did example of atom expanded to size of football field.

Worksheet on scientific notation and using a calculator. Students did it, put answers on board, and then we went over them.

Powers of 10 video.

Metric Prefixes worksheet.

Showed how to do unit conversions between metric prefixes.

Students read blurb on unit conversions. Did worksheet. I gave them the answer sheet to check their work.