This practicum was designed to solve a problem related to the provision of a computer training component for students enrolled in an early childhood education teacher training program. Increasing pressures on graduates of the training program to integrate computers and educational software into programs for young children as well as the students'…

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…