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Channel-TalkEnergy
From: Larry Sherer (mcoe_lcs@ACCESS-K12.org)
Date: Thu Dec 12 2002 - 11:45:18 EST

  • Next message: Theron Blakeslee: "RE: [Channel-talkenergy] Forms of energy"

    TWIMC:
            A lever would only have potential energy if it were in an unstable
    position such as a formerly balanced lever that has just become unbalanced
    because a load (resistance) has fallen of the lever.

    Larry

    --On Wednesday, December 11, 2002, 10:08 PM -0700 Petersons
    <bikedoctor@citlink.net> wrote:

    > BLOCKQUOTE { PADDING-BOTTOM: 0px; PADDING-TOP: 0px } DL { PADDING-BOTTOM:
    > 0px; PADDING-TOP: 0px } UL { PADDING-BOTTOM: 0px; PADDING-TOP: 0px } OL {
    > PADDING-BOTTOM: 0px; PADDING-TOP: 0px } LI { PADDING-BOTTOM: 0px;
    > PADDING-TOP: 0px }
    >
    > I was studying the energy transformations and forms of energy in the game
    > "Mouse trap"
    >
    > this toy made me wonder - does a lever have potential energy, just by
    > being a lever?
    >
    >
    >
    >
    > ----- Original Message -----
    > From: Alison Reid
    > To: channel-talkenergy@learner.org
    > Sent: Wednesday, December 11, 2002 7:40 AM
    > Subject: [Channel-talkenergy] Rube Goldberg-like contraptions
    >
    >
    > Dear Linda,
    >
    >
    > Have you tried the "Cat-traption" on the Energy site
    > (http://www.learner.org/workshops/energy/cattraption/)? It's an
    > animated version of the Rube Goldberg-like contraption used in
    > demonstrations on the videos. There's also a Web highlight about it, with
    > a challenge, at
    > http://www.learner.org/workshops/energy/workshop3/icon1.html .
    >
    >
    > I'd love to know if that's useful to you, especially since you find the
    > Rube Goldberg contraptions helpful to your teaching already.
    >
    >
    > -Alison Reid
    > Annenberg Channel Webmaster
    >
    > Hello again! I like the Mouse Trap idea for my simple machines unit. I
    > use pictures of the Rube Goldberg contraptions to identify simple
    > machines and energy transfer. The kids love the contraptions. I found
    > the pics on a Rube Goldberg internet web site. Linda
    >
    >
    >
    >
    > --
    >
    >
    > -----------------------------------
    > Alison Reid
    > Web Specialist
    > Harvard-Smithsonian CfA
    > 60 Garden St., MS82
    > Cambridge, MA 02138
    > Tel: 617-496-7680

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