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Download full textSmith, Carol; And Others – 1986
The concept of the density of a material has an important role in elementary and secondary school science curricula, but it is a difficult concept to grasp. This project explores why this should be and whether there are some simpler, more accessible notions which can serve as the basis for building a concept of density in students' minds during…
Descriptors: Chemistry, Cognitive Development, Computer Assisted Instruction, Computer Software
