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Peer reviewedPereira, Mariana P.; Pestana, Maria Elisa M. – International Journal of Science Education, 1991
The pencil-and-paper assignment "Represent water in its three states using a model" was given to pupils (n=227) from eighth to twelfth grades. The findings show that the dominant model used was the space filling type; movement of particles was indicated by a minority of pupils; size of the model changed when drawn in different states.…
Descriptors: Chemistry, Cognitive Processes, Foreign Countries, Junior High Schools
