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Subtopic: Properties of Earth Materials

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Resource	Grade Level	Media Type
Compost Office This interactive activity from Keep America Beautiful, Inc. uses illustrated text and a game to explain why it is important to compost, the science involved, and the perfect recipe for decomposition.	3-8	Flash Interactive
Earth Water Filter In this video segment adapted from ZOOM, cast members try to make the most effective water filter. They experiment with filtering dirty, salty water through different combinations of sand, gravel, and a cotton bandana.	K-8	QuickTime Video
Erosion and Weathering Erosion and weathering may be caused by a variety of factors including wind and water. This still collage produced for Teachers' Domain features images of rock, soil, and beach erosion.	K-8	Flash Image
Grass Bridge In this video segment adapted from NOVA, watch residents of the Peruvian Andes build a suspension bridge made entirely of grass.	3-12	QuickTime Video
Minerals in Our Environment What minerals are in your toothpaste? A pencil? A telephone? This interactive resource adapted from the U.S. Geological Survey illustrates the variety of minerals used in everyday items found in kitchens, bathrooms, offices, and yards.	K-8	Flash Interactive
Organic Farming: Conserving Top Soil Against the backdrop of the devastating 1930's Dust Bowl, this video segment adapted from Interactive NOVA profiles an organic farmer and the techniques he uses to conserve topsoil.	3-12	QuickTime Video
Underwater Hotspots This video segment, adapted from Jean-Michel Cousteau: Ocean Adventures, outlines the geologic process surrounding the formation of islands in the South Pacific. Collection Developed by: KQED Public Television	9-12	QuickTime Video
Virtual Cave This interactive resource adapted from The Virtual Cave by Dave Bunnell, presents images of various features found in solution caves and includes detailed information on how these features are formed and where they occur.	3-12	Flash Interactive
Water Conservation: Israel This video segment adapted from Last Oasis shows how Israel has attempted to meet the challenge of providing enough water for agricultural needs. Featured are two methods: recycled water and drip irrigation.	3-12	QuickTime Video