GEMS books

Math Around The Word Book cover

GEMS: Math Around the World

With a wide range of games and other challenges from many continents, Math Around the World sets mathematics within a multicultural and international context.

Color Analyzer Book Cover

GEMS: Color Analyzers

Teasing a rainbow from a lightbulb. Decoding messages from abstract art. Unveiling the answer to why an apple looks red. This updated and enhanced New GEMS version of the classic teacher guide has students immediately and physically involved in investigating light and color while experimenting with diffraction gratings and color filters.

Ocean Currents Book Cover

GEMS: Ocean Currents

Students gain fascinating insights into our ocean planet through these innovative activities. They learn how wind, temperature, salinity, and density set water into motion, and they make an “in-depth” investigation of the key physical science concept of density.