The GEMS, Great Explorations in Math and Science, activity guides are developed at the Lawrence Hall of Science at the University of California at Berkeley and have been funded by the National Science Foundation. All activities have been classroom tested. They are suitable for pre-school and kindergarten, through grade 9, and can be extended into older grades.
The guides can be purchased at the Headwaters Science Center gift shop in Bemidji. A catalogue with a complete description of each guide is also available in the bookstore. They are listed and described at the HSC web site at http://www.hscbemidji.org
Headwaters Science Center 413 Beltrami Ave, Bemidji, MN 56601. Phone (218)444-4472. Email contact@HSCBemidji.org