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Peer reviewed
Direct linkSchlenker, Richard M.; Blanke, Regina; Mecca, Peter – Science Activities: Classroom Projects and Curriculum Ideas, 2007
The authors used the 5E learning cycle (engage, explore, explain, extend, and evaluate) and a pulmonary carbon dioxide mystery to introduce eighth grade students to the study of chemistry. The activity engages students in measurement, data collection, data analysis, media and internet research, research design, and report writing as they search…
Descriptors: Research Design, Technical Writing, Chemistry, Learning Processes
Schlenker, Richard M.; Petrichenko, Oksana Y. – Science Activities: Classroom Projects and Curriculum Ideas, 2006
In this activity, students mix mystery chemicals in a freezer bag to produce reactions that are unexpected. As a result, one chemical seems to disappear, the bag expands, and then the bag turns hot and cold. Participants then ask questions and design their own activities to answer their self-generated questions. The research cycle continues until…
Descriptors: Chemistry, Science Activities, Investigations, Research Reports
Schlenker, Richard M.; Schlenker, Karl R. – Science Activities: Classroom Projects and Curriculum Ideas, 2005
In contemporary science education, the trend is to engage students in hands-on activities in which they must manipulate equipment and gather data in an effort to answer questions. Hands-on experiences may turn out to be meaningless unless the experiences are well designed, planned, and focused so that students are guided to construct accurate…
Descriptors: Science Activities, Science Instruction, Hands on Science, Teaching Methods
