FW: Pinhole Digest #803 - 12/28/01

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From: Black, Heidi (BlackH@exchange.esuhsd.org)
Date: Tue Jan 01 2002 - 10:28:45 PST 

Message-ID: <190CE0E37D38D311BFB9009027858A58021CF6B8@exchange.esuhsd.org>
From: "Black, Heidi" <BlackH@exchange.esuhsd.org>
Subject: FW: Pinhole Digest #803 - 12/28/01
Date: Tue, 1 Jan 2002 10:28:45 -0800

 Phases of Moon
If you can afford it at all, EVERY student should have a styrofoam ball.
This just doesn't cut it as a demo. Set an unshaded lightbulb in the center
of the room. Gather the students around in a circle and ask them to use
their heads as the earth. You should easily be able to tell if each is in
the proper position to see a full moon, etc. Don't forget to throw in solar
and lunar eclipses, and while they are set up, have them show you what
happens to the earth and moon during a day and a month.

Happy New Year! Heidi

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