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Explore how environmental conditions and changes have had a profound effect on history. These classroom-ready activities show students how to apply the principles of earth science to events that have dictated America's past and present, from 30,000 years ago to today. Such historical events as early migrations to and from North America, the building of the Panama Canal, and the Johnstown flood are placed within the context of geological, meteorological, astronomical, and oceanographical processes. Applying critical thinking and experiential learning, young learners also explore how earth...

Dinosaurs are every students fascination. Reproducible, hands-on activities give students the opportunity to experience how the scientific process works and how scientists form and test conclusions. Students build and employ skills in analysis, drawing, measuring, graphing, and arithmetic; exercise research and library skills to acquire data necessary to complete the activities; and apply critical-thinking skills to extrapolate from the known to the unknown-the fundamental process that makes science work. Grades 4-12.