Describes activities that can be done before and during the Solar Eclipse that is to occur on Saturday, March 7, 1970. Examples are: making a sun clock, charting the path of the sun, tracking the moon, predicting the eclipse, measuring the size of sun and moon, and observing the eclipse. (BR)

Aluminum foil, because of its characteristics, can be used for many elementary science activities: demonstrating Archimedes Principle, how to reduce cohesion, reflection and mirror effect, fuse action, condensation, friction, and as containers and barriers. (BR)

Original version of this article was designed as part of a series of school radio broadcasts titled Science Activities -- Outdoors and Indoors." (Editor/MB)

Suggests suitable species of microscopic green algae for demonstrating diversity of form, increasing complexity in related species, the animal" and plant" characteristics of protists, and protist behavior. (AL)

Hot air and helium balloon launching activities by students from Mountain View Center for Environmental Education, University of Colorado. Gives ideas for using this activity in schools. (BL)

Presents observations made by students attempting to determine if the moon has an influence on the development of corn. Concludes that if a lunar influence exists it must be very subtle and easily obscured by weather variations during the growing season. (DS)