Nationally Board Certified Physics Teacher
Teaching 31 years. Currently teaching: AP Physics and Astronomy
Past Board Member of Friends of the Arlington Planetarium
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examples of holistic rubrics
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Mon, Apr 17, 2017 9:02 PM in Conservation of Mass in 5th grade
A human can make an error reading a digital balance just as easily as a triple beam balance. You should try it yourself a few times just to see what the approximate range should be for the measurements. You are expecting all of the numbers to add up? Maybe there are other losses of mass that aren't considered. Are the masses too small to be measuring on a triple beam balance?
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Mon, Apr 03, 2017 10:35 AM in kids think I hate them?!?!
If you like doing the informal science... keep doing it. Don't take the feedback so personally. There may be things you are doing that make some kids feel that you don't like them, so you might ask the parents if they have any more specific feedback for you. Like maybe you told a kids "Oh.. be careful that is sharp!" and that little interaction upset them. Especially with elementary, students ...
Mon, Apr 03, 2017 10:28 AM in appropriate or not
I am not sure what to say about this. I disagree that it is a sensitive moral issue... in the way that talking about sex in general is a sensitive moral issue. This is an issue that is pretty clear cut. Drugging somebody so that you can abuse them is illegal and immoral. There is no question about that. The science piece is interesting. The societal piece is disturbing. This conversation wo...
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Electric and Magnetic Forces
Tue, Mar 06, 2012 8:27 PM Too simplistic
This is ok for middle level, but is much too simplistic for high school teachers. Some of the responses are technically correct and I got them right because I understood what answer they were looking for. The correct answer may turn out to be elusive for someone who does not already understand the concepts.
Thu, Feb 09, 2012 11:24 PM Nice
Very nicely organized. They did a good job splitting up the resources int multiple categories.
Seems like plenty of stuff for all ability levels.
Thu, Feb 09, 2012 11:21 PM Ok
Grts 4 stars for sheer number of links. There is almost too much stuff. It should really be split into several sciguides
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