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Murphy, Tony P.; Fortner, Rosanne W. – American Biology Teacher, 2001
Presents the study of declining Anuran populations as a mystery to be solved by teams of investigators. Student teams research assigned topics and develop scenarios to explain the declining populations. Provides background information on Anurans along with clue sheets. Describes possible extensions for the activity and provides the source for a…
Descriptors: Animals, Environmental Influences, Habitats, Pollution
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Fortner, Rosanne W. – Science Activities, 1991
Presents a class project to help upper elementary students grasp the extent of the solid waste disposal problem and develop an individual response. Includes background information for the teacher, project objectives, materials, procedures, and a listing for additional resources. (MCO)
Descriptors: Conservation (Environment), Environmental Education, Instructional Materials, Intermediate Grades
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Fortner, Rosanne W.; Jax, Dan – Science Activities, 2003
Presents a marine education activity. Students construct a web of changes that shows potential problems caused by solid waste on beaches. They then determine whether each change is an increase or a decrease from previous conditions. (Author/SOE)
Descriptors: Constructivism (Learning), Environmental Education, Habitats, Interdisciplinary Approach
Fortner, Rosanne W.; Ihle, Stephanie – 1980
Presented in this unit are three activities concerning the causes and effects of oil spills and methods used to clean up these spills in the oceans and Great Lakes. Students construct and interpret a graph showing oil pollution sources. The students create and try to clean up a small-scale oil spill in a pan, and they compare the water quality of…
Descriptors: Ecology, Energy, Environmental Education, Fuels