Describes activities with organisms from freshwater ponds and ditches. Several experiments involve predation, some involve habitat choices, and one addressees the role of sunlight in supporting plant-eating animals. (PR)

Describes a class project to determine which environmental condition, such as light, heat, and type of basking substrate, would result in the least and most turtle basking behavior. (PR)

Describes interdisciplinary activities for teaching elementary science using eggs. Each activity is designed to introduce larger thematic units. Activities include making egg animals (study of animal survival), throwing raw eggs at taut vertical sheets and making cars for egg passengers (force and momentum), and making eggshell domes (dome…