Gas station without pumps

2012 June 5

Physics homework chapter 12

Filed under: home school — gasstationwithoutpumps @ 09:33
Tags: , , , ,

Chapter 12 of Matter and Interactions is entropy and temperature.

I’ve not come up with any labs I really want us to do for Chapter 12, and with class cancelled next week (June 15)  I’m not sure when we’ll get to do an entropy lab.  The only lab I’ve thought of is to build an electric calorimeter and measure the specific heat of water, but that sounds like more effort than it is worth. The microwave and styrofoam cup exercise in 12.P.45 doesn’t seem much better than just looking up the specific heat of water. Does anyone have a more interesting lab we could do?

I would like us to continue on the rocket experiment, now that the simulation seems to be working.  Launching next to a tall building and making a video recording may be our best bet for measuring height with some semblance of accuracy, and using a superpulley and thread may be our best bet for measuring initial launch speed.

Anyway, Chapter 12 homework, which we’ll try to have at least half done by Fri June 8, our next meeting: 12.P.40, 12.P.43, 12.P.48, 12.P.62, 12.P.63, 12.P.66, 12.P.68.

2012 April 27

Physics homework chapter 11

Filed under: home school — gasstationwithoutpumps @ 22:10
Tags: , , , ,

Chapter 11 of Matter and Interactions is angular momentum, finishing up the triumvirate of conservation laws (momentum, energy, and angular momentum).

I’ve not come up with any labs to do, and with class cancelled next week I’m not sure when we’ll get to do an angular momentum lab.  Class is cancelled because my son and I will be on the bus back from the Oregon Shakespeare Festival with the rest of his dramatic literature class. We aren’t taking the bus up with the class, since it conflicts with the California State Science Fair, where he is entering in one category and I’m judging in another—we’ll take a red-eye flight from LAX to MFR and a taxi or shuttle to Ashland to catch up with the class. As if he weren’t busy enough, he has three performances of the On the Fringe teen show at Broadway Playhouse this weekend and AP tests when he gets back from Ashland.

Anyway, Chapter 11 homework, which we’ll try to have at least half done by Fri May 11, our next meeting: 11.P.40, 11.P.49, 11.P.50, 11.P.55, 11.P.57, 11.P.63, 11.P.66, 11.P.67, 11.P.75, 11.P.76, 11.P.94.

(Note: typo in 11.P.75: the first ω should be ω0, the initial angular velocity.)

There are some gyroscope labs suggested in 11.P.90 and 11.P.91, so maybe we can try them—read them before class anyway.