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| Science Activities | 4 |
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| Guides - Classroom - Teacher | 4 |
| Journal Articles | 4 |
| Reports - Descriptive | 1 |
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Peer reviewedKeller, Elhannan L. – Science Activities, 1980
Presented is an activity in which students use a microscope to do a forensic hair comparative study and a medullary classification. Mounting methods, medulla types, hair photographs, and activities are described. (DS)
Descriptors: Microscopes, Science Activities, Science Curriculum, Science Education
Peer reviewedMarino, Constance; Schmuckler, Joseph S. – Science Activities, 1980
Describes the chemical reactions and compounds involved in making a cake. A protein coagulation and gas expansion laboratory activity is included in which the students bake a cake and eat it. (DS)
Descriptors: Chemical Reactions, Chemistry, Science Activities, Science Curriculum
Peer reviewedSwails, Molly – Science Activities, 1980
Described is a science experiment involving the isolation and study of microorganisms. Bacteria from the mouth are cultured on blood agar culture plates and are then exposed to four different mouthwashes to test their effectiveness. (DS)
Descriptors: Biological Sciences, Junior High School Students, Laboratory Experiments, Microbiology
Peer reviewedKeller, J. David – Science Activities, 1993
Presents a problem-solving activity in which students determine the effects on the water level in a pool when rocks are removed from a boat floating in the pool and placed into the water. Students discuss the problem, design an experiment to test solutions, conduct the experiment, and draw conclusions. (MDH)
Descriptors: Debate, Density (Matter), Problem Solving, Science Activities
