ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
*****************************************************************************
<[log in to unmask]> writes:
>red cabbage
Soaking a bunch of red cabbage leaves in hot water for a few hours
produces a great somewhat-light blue dye. Should work pretty well for the
eggs. Soaking coffee filters in the blue dye water & then drying them on
a cookie sheet produces natural litmus paper.
Michelle
Michelle Nichols, Senior Educator
Adler Planetarium & Astronomy Museum
1300 S. Lake Shore Dr.
Chicago, IL 60605
312-322-0520
312-322-2257 (fax)
[log in to unmask]http://www.adlerplanetarium.org
***********************************************************************
More information about the Informal Science Education Network and the
Association of Science-Technology Centers may be found at http://www.astc.org.
To remove your e-mail address from the ISEN-ASTC-L list, send the
message SIGNOFF ISEN-ASTC-L in the BODY of a message to
[log in to unmask]