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 three activities that uses three dimensional models to help teach geologic concepts such as geologic land forms and rock strata. (ZWH)

Uses a vortex device as a model to study low-pressure systems and other related investigations. (LS)

The purpose of the Exemplary Practice in Science and Mathematics Education (EPSME) study was to identify high quality science and mathematics teaching, to document exemplary practice through case studies, and to investigate key characteristics common to exemplary teaching in different sites. This paper discusses the case studies which considered…

The document presents information on activities designed to foster growth in creativity and upper level thinking of secondary gifted students. An introductory section covers instructional models, including Guilford's Structure-of-Intellect Model and Krathwohl's Affective Taxonomical Model. Activities are described in terms of objectives,…

Uses simple models to illustrate the principles of this genetic method of mapping gene loci. Stresses that this system enables a practical approach to be used with students who experience difficulty in understanding the concepts involved. (CW)