A lesson plan, directed at middle school students and older, describes using snow to study the geological processes of solidification of molten material, sedimentation, and metamorphosis. Provides background information on these geological processes. (MCO)

Identifies a variety of methods to introduce constellations and asterisms to students in the classroom and planetarium prior to their study of the night sky. Materials used include transparencies, oatmeal boxes, photographic slides, and tracing paper. Exercises incorporate storytelling and prediction of location, movement, and seasonal patterns of…

Identifies specific instruction difficulties, potential problems, solutions, and activities for successful use of microscopes in the classroom. Procedures are outlined for guiding students in creating their own slides with monocotyledon and dicotyledon stems, fern spores, stomata, lichens, and red onions. (MCO)

This lesson plan uses grocery shopping to demonstrate the importance of source reduction in the handling of solid waste problems. Students consider different priorities in shopping (convenience, packaging, and waste reduction) and draw conclusions about the relationship between packaging techniques and solid waste problems. (MCO)

This lesson plan with background information about Native American uses of trees provides suggested activities, projects, location, and physical characteristics of a variety of trees. (MCO)

A lesson plan for soil study utilizes the Tullgren extraction method to illustrate biological concepts. It includes background information, equipment, collection techniques, activities, and references for identification guides about soil fauna. (MCO)

This lesson plan demonstrates how to use common animals in your backyard or school grounds to study basic ecological principles with students. An example study uses squirrels for observational study. Includes background information, references, suggested equipment, activities, and observation techniques. (MCO)

Contains several study methods using ferns. Includes exercises on fern propagation, gametophytes and fern hybrids, fern collection, microscope use, asexual reproduction, and fern photography. Background information describes identification techniques and the alternation of generations phenomenon. (MCO)