Wednesday, September 14, 2011

 

Wednes-Day 1

Bio - we covered the "standards/conventions" of measurement: any recorded measurement must be to one smaller decimal place than those that are physically marked/etched on the instrument. The greater the number of decimal places, the more precise (and way more expensive!) the markings on the instrument. We also saw how to measure volume with a graduated cylinder (from the miniscus; place a white card behind the cylinder so that the miniscus is easy to read at eye level on a flat surface).
In 11th period, we discussed the parts of the microscope, and did most of the microscope lab, which will be continued.

For the HW due on Thursday (tomorrow), since we did not yet complete all of the objectives, you can omit (leave out) the following (but know that we will cover all of the unit objectives by Friday):
For objective # 6, you need to have only TWO ways to state a hypothesis, not THREE.
Objectives 7 through 17 do not have to be submitted.






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