Examines the influence of the use of hands-on materials in elementary school science instruction from a survey of 301 school principals. The rationale for the survey, questions used, and responses are provided. Lists 12 references. (YP)

Explained is a representation of the three categories of spectra. Discusses what a lesson on spectra should include, background information, and equipment needed. Provided is a diagram of an absorption box. (RT)

Suggests the use of small canopy hoods that provide flexibility of vertical and horizontal adjustment over the lab bench as a replacement for permanent hoods. Includes many safety related instances where canopy hoods should be used. (MVL)

The phenomenal growth of science and technology in the past decade has made science teaching more important, and at the same time more difficult. An awareness of these changes has caused an unprecedented public support for sound science programs in the schools. A good science program makes effective use of equipment and materials in teaching basic…

A significant alternative to the traditional text-based approach to elementary science has been represented by the Science Curriculum Improvement Study (SCIS). Although the literature documents the process of the investigative approach, greater utilization of available programs and support from teachers are not evidenced. This investigation was…