As science teachers, we often show animations and videos in class but there is the potential for students to create their own animations to represent science concepts and thus make their conceptions visible for critique and refinement. This encourages students to be active in their own learning, creating animations rather than just viewing them.…

The division of cognitive labor is fundamental to all cultures. Adults have a strong sense of how knowledge is clustered in the world around them and use that sense to access additional information, defer to relevant experts, and ground their own incomplete understandings. One prominent way of clustering knowledge is by disciplines similar to…

Seventeen preschool children, 26 kindergarten, and 26 fourth grade childrens' knowledge structures were examined with a word association task and a match-to-sample picture task to determine whether or not children used slot-filler categories as a mediating structure between event-based and taxonomic knowledge structures as proposed by Nelson…

Investigated whether children in kindergarten and grades 2 and 4 applied one- or two-dimensional rules in rating areas of rectangles, triangles, and ellipses. A majority of subjects produced judgments consistent with one of the rules. The findings contradict Piaget's claim that young children are limited to one-dimensional judgments. (SKC)