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Download full textFoth, Henry; Jacobs, Hyde S. – 1971
Discussed are the importance of soil to plant and animal life, the evolution of a soil profile, and the major kinds of soil in the United States. On a suggested field trip, students examine different kinds of soil profiles; they also measure soil acidity and water-holding capacity. Suggestions for further study are provided along with references…
Descriptors: Chemistry, Earth Science, Ecology, Field Studies
Whitney, Helen, Comp. – 1975
Fourth in the series "101 Environmental Education Activities" by the Upper Mississippi River ECO-Center, the booklet contains 39 environment-based science activities directed to students in primary, intermediate, and junior high classes. Organization of the activities usually includes grade level, objectives, procedures, and materials,…
Descriptors: Climate, Conservation (Environment), Curriculum Enrichment, Curriculum Guides
