Sassafras Earth Science
Study weather patterns and features found on the Earth with local experts: wind patterns and tornadoes in Oklahoma, the snow and frost in the mountains of Patagonia, and ocean currents and coral reefs. Scheduled in the Guide are the following optional resources: Basher Science: Planet Earth item #002877, Usborne Children's Encyclopedia item #028433, Discover Science: Weather item #068363 and the Usborne Encyclopedia of Planet Earth.