Date: Fri, 13 Mar 1998 10:32:22 -0800 (PST)
From: TI Pinhole Listserv <pinhole@isaac.exploratorium.edu>
To: Thom Amato <tamato@swbell.net>
Subject: Re: Baking Soda Submarine
In-Reply-To: <3508A1E5.17A52CCA@swbell.net>
My daughter did the same thing earlier this school year. I called upon the
wealth of science knowledge here at the Explo. The thing that seemed to
work best was a plastic 35mm film canister with a hole or two in it.
Your son need to experiment with the number of pennies used for weights
and the amount of baking soda.
Deb
________________________________
Deborah Hunt
Pinhole Technical Moderator
Exploratorium
3601 Lyon St.
San Francisco, CA 94123
415-353-0485
email: dhunt@exploratorium.edu
On Thu, 12 Mar 1998, Thom Amato wrote:
> When I was a kid we had some toy that you put baking soda or powder in
> and it acted like a submarine, ie: would bobb up and down in the
> bathtub....Now my son has to do something similar and I was wondering if
> someone could help me.
> tamato@writeme.com/ tamato@swbell.net
> Thanks Thom
>
>