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Peer reviewedOliveira, Luiz C.A.; A. Rios, Rachel V.R.; Fabris, Jose D.; Lago, Rachel M.; Sapag, Karim – Journal of Chemical Education, 2004
An exciting laboratory environment is activated by the preparation and novel use of magnetic materials to decontaminate water through adsorption and magnetic removal of metals and organics. This uncomplicated technique is also adaptable to the possible application of adsorbents to numerous other environmental substances.
Descriptors: Laboratory Experiments, Water Quality, Environmental Education, Magnets
Download full textBrown, Emmagene L.; And Others – 1971
This guide is designed to provide teachers (grade 2) with a ready resource for planning, organizing, and teaching science to the elementary child. Many suggested activities will provide an enriched science program. Each unit lists estimated time, content, concepts or "understandings," problems to deal with, activities, suggestions for…
Descriptors: Biology, Curriculum Guides, Earth Science, Electricity
