This unit has been carefully developed to help students overcome persistent misconceptions about the cause of the seasons. A sequence of hands-on and modeling activities convey a great deal of astronomical knowledge. Sponsored by NASA, the unit features a supplementary CD-ROM with a wide selection of photographs, files, websites, simulations, and software.



Grades 6–8
8 Activities
140 pages
ISBN: 0-924886-45-5

G455$28.00

Complete listing of GEMS publications