Describes a hands-on activity that helps students to better transfer the abstract concept of atoms into a concrete understanding of atomic structure. (ZWH)

Presents a framework for model development that, when used, will help the student (or professor) avoid the major pitfalls associated with modeling. Includes not properly identifying the controlling factors, lack of model validation and developing a model that is incompatible with its end use. (CW)

Provided is a model to depict how the development of process skills can be systematically achieved and in turn determine the students' achievement in science practicals. Modified laboratory instruction is compared with conventional laboratory instruction. The results of field testing on 164 ninth grade subjects are described. (MVL)

Resource-based learning is described in this document as a pupil-centered approach to teaching science in which a wide variety of resources are used. Students are given some freedom of pace and choice of activity while teachers provide resources to the student when they are needed. The learning is then based on the resources and the pupil can make…