Real Reasons for Seasons (The): Sun-Earth Connections (GEMS)
The Real Reasons for Seasons: Sun-Earth Connections (GEMS)
A sequence of hands-on modeling activities builds student understanding of astronomical knowledge in this comprehensive title from Great Explorations in Math and Science (GEMS). Book also includes a supplementary CD that features a wide selection of photographs, films, web sites, simulations, and software. For grades 6 through 8.
Please note: We have a limited quantity remaining of this discontinued title. The price above represents a 40% discount.