The purpose of this study was to determine the relationship between textbook authors', teachers', and safety specialists' danger potential rankings of selected elementary school science activities. A questionnaire was constructed using twenty-two activities selected from elementary science textbooks which involved potentially dangerous materials…

Describes perceptual activities which involve children in questioning perceptions of size and distance that typically appear obvious but that are not accurate. Activities are designed to help the child consider variables that do not always stand out visually but which are important. (BR)

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)

Discusses the advantages of using reptiles in biology and elementary school classes, describes demonstration techniques used by the author, and suggests some student activities using reptiles, especially snakes and lizards. (AL)

Uses discarded light bulbs to make balanced aquaria. (AL)