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Soares, Cristina; Correia, Manuela; Delerue-Matos, Cristina; Barroso, M. Fátima – Journal of Chemical Education, 2017
This paper reports a laboratorial internship included in the Portuguese Science and Technology promotion program "Internships for Young People in Laboratories (Ciência Viva no Laboratório)", which provided high school students an opportunity to approach the reality of scientific and technological research in a higher education…
Descriptors: Food, Chemistry, Science Instruction, High School Students

Pereira, 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