Instructions for reproducing two exhibits from the Exploratorium, San Francisco's science museum, are given. One shows students how white light can be made from red, blue, and green lights. The other helps children discover how small time differences allow them to perceive the origin of a sound. (MT)

Ways of teaching students to communicate effectively using descriptive words and comparative statements are described. Two task cards involving descriptions of experiments investigating air pressure are included. (MT)

Sixth-grade pupils at St. Vivian's school recently studied a science lesson on distinguishing between plant and animal cells. Observation of pupils indicated that learning was occurring, but the enthusiasm they had exhibited in earlier science lessons was obviously lacking. Article discussed a model, designed to stimulate learning processes, from…

This article offers quick, inexpensive activities for teaching concepts in three basic areas of the elementary science curriculum (air, sound, and light) with instructions for assembling more sophisticated laboratory tools (e.g., an electroscope and a balance scale). Hands-on science activities that use household items are described. (SM)

Presents activities on the science of garbage to help elementary students learn to save the earth. A rotting experiment teaches students what happens to apple slices sealed in plastic or buried in damp soil. Other activities include reading stories on the subject and conducting classroom composting or toxic materials projects. (SM)

Offers six suggestions to help elementary teachers create cross-curricular adventures in learning that begin with science. The article includes a chart on process skills across the curriculum, a list of resources, and suggested class activities. (SM)