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

Date view Thread view Subject view Author view Attachment view

From: Paul Doherty (pauld@exploratorium.edu)
Date: Sun Dec 30 2001 - 13:18:02 PST 

Message-ID: <3C2F847B.4F6448BC@exploratorium.edu>
Date: Sun, 30 Dec 2001 13:18:02 -0800
From: Paul Doherty <pauld@exploratorium.edu>
Subject: Re: Pinhole Digest #803 - 12/28/01

Go Outside during the day when the moon is in the sky.
Hold a white ball at arms length in the sunlight so that it is next to the
moon.

The sunlight shining on the white ball will make it have the same phase as the
moon.

Paul Doherty

Jim Hill wrote:

> Moon Phase Demo
> Get a 4 inch styrofoam ball and put a 2 ft. stick into it. The ball
> represents the moon. Turn out the classroom lights and shine a beam
> of light on the "moon" As you rotate your body with the "moon" held
> at arms length, you can see the phases of the moon.
> Jim
>
> ---------------------------------------------------------------------------
>
> To unsubscribe from pinhole, send an email to requests@exploratorium.edu
> with the words 'unsubscribe pinhole' (without the quotes) in the SUBJECT
> of the email.
>
> To subscribe to the digest and only get 1 combined message a day, send an
> email to requests@exploratorium.edu with the words 'subscribe digest
> pinhole' (without the quotes) in the SUBJECT of the email.
>
> Check out what your colleagues have written on Pinhole in the Pinhole
> archives at: http://saturn.exploratorium.edu/ti/alumni/pinhole.html
> ---------------------------------------------------------------------------

Date view Thread view Subject view Author view Attachment view

This archive was generated by hypermail 2.1.3 : Mon Aug 05 2002 - 09:21:40 PDT