Subject:
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RE: Lego & Grade 4 Science Projects ...
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 16 Dec 1999 22:30:01 GMT
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Original-From:
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Mark Geddes <mark@AudeSi.com>
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Viewed:
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717 times
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Cool post. I like to here what other's have done.
MG
> -----Original Message-----
> From: Matt Silver [SMTP:silverm@tech-center.com]
> Sent: Wednesday, December 15, 1999 8:58 PM
> To: lego-robotics@crynwr.com
> Subject: Lego & Grade 4 Science Projects ...
>
> Lego to the rescue for my daughter's grade 4 science project ...
> The requirement was use pulleys and gears and make something, but it
> cannot
> be a crane, because that is the example the teacher used.
>
> I was handed a design for a clothes line with a crank handle, to be build
> to
> scale for doll clothes.
> Once we got by the how are we to make pulleys and gears problem (pointing
> to
> the Lego Barbie furniture, complete with rotating fans and serving tables
> Did you know the large pulley can hold 4 Barbie drink glasses?)
>
> A simple clothes line was made by my daughter and class partner in 10
> minutes.
> Adding a small gear train took a little longer. I made them read the
> instructions for motor kit on gear trains.
> So 30 minutes later they added the gear train with crank handle and
> thought
> they were finished.
>
> I found resisting a bid tough ....
> I pushed a motor, cable and battery box their way. Now the clothes line
> has
> a snap in power unit.
> Then came the wise cracks ....
> an olden days clothes line that you just pull
> a mechanical one with a crank
> a 90's one with a motor
>
> What can we do for a millenium one ?
>
> So I pushed RCX across the table with a rotation sensor.
> The two girls have started to spec out the program of how get RCX to run
> the
> clothes line to the end then stop, wait a while, then reverse and come
> back.
>
> The next hour was spent with the two rehearsing the demonstration and
> explanation of how it works.
> They plan to add RCX on the weekend.
> The project is due on Monday.
>
> And just to top it off, another snide comment was that the boys will die
> when they see Kelly (Barbie's little sister) using her computerized
> clothes
> line.
>
> Ya, this is exactly why I really bought the kids RCX ... to make Barbie's
> life more complete.
>
> Just to let you know that we aren't totally off balance, my younger son &
> I
> mixed RCX with Crazy Lego Contraptions (really cool set) Ping Pong Ball
> shooter to automate loading and shooting ping pong balls from the deck of
> his pirate ship.
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