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Direct linkScience and Children, 2005
Have you ever tucked away a piece of fruit for later and returned to find it past its prime? Or found some leftovers that had outlived their welcome in the refrigerator? Whether it's fresh or processed, all food eventually spoils. Methods such as freezing, canning, and the use of preservatives lengthen the lifespan of foods, and we--and the modern…
Descriptors: Food, Science Activities, Science Education, Chemistry
Peer reviewedBarman, Charles R.; Stein, Mary; Barman, Natalie S.; McNair, Shannan – Science and Children, 2002
Presents an interview protocol used to identify and evaluate students' conceptions of plants which is an invitation to participate in the third national study exploring elementary students' science conceptions. (YDS)
Descriptors: Action Research, Concept Formation, Elementary Education, Evaluation Methods
