4.69 Water, Stones, and Fossil Bones.

Karen K. Lind, ed. CESI Sourcebook VI. Washington, D.C.: National Science Teachers Association and Council for Elementary Science International (CESI), 1991.

Recommended grad level: K-7. Water, Stones, and Fossil Bones offers 51 well-illustrated earth science activities from dozens of authors. Activities are grouped within the topics of space, land, water, air, and the earth's past. Activities include making a scale model of the solar system, using Play-Doh to simulate layers of sedimentary rock, creating miniature landfills in a plastic cup, building a solar collector, and making a fossil cast.

Activities vary in length, requiring from 30 minutes to 3 class periods to complete. Each activity includes brief background information, questions to initiate discussion, step-by-step procedures, and suggestions for further investigation.

Price: $16.50 (ISBN 0-87355-101-X). Publisher/supplier: Council for Elementary Science International. Materials: Available locally, or from commercial suppliers.

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