The slime mold Physarum polycephalum provides an easily maintained classroom plant which can act like an animal. Directions are given for: acquiring the organism; activating it; observing its life cycle; and viewing protoplasmic streaming. (DH)

Tree frogs are small (2-5 cm) animals which not only interest students but also can be maintained in classrooms for a few days. Characteristics (species, ranges, habitat, reproductive cycle, and locomotion) and housing/care needs are described. Long-term maintenance is not recommended due to the difficulty of providing live food. (DH)

Presents a unit on volcanoes for third- and fourth-grade students. Includes demonstrations; video presentations; building a volcano model; and inviting a scientist, preferably a vulcanologist, to share his or her expertise with students. (JRH)

Information on the solar eclipse of February 26, 1979, is presented, along with techniques for viewing eclipses. (BB)

Presents an overview of an interdisciplinary animal behavior unit on wolves, including aspects of science, social studies, and language arts. Includes sources of wolf information. (MKR)

Discusses the use of a National Energy Foundation (NEF) poster, "Rocks and Minerals and How to Use Them." The poster is designed to increase student awareness of the part that minerals play in their daily lives. Information about the NEF and poster availability is provided. (MDH)

Describes an elementary school science project focusing on hatching chickens. (PEB)

Provides suggestions for an archaeology activity for elementary school children. (PEB)

Presents a brief description, including dates and estimated time of appearance, of a total eclipse of the moon. Suggested details for observing, requiring little or no experience or equipment, are presented. (EB)

The McGraw-Hill Elementary Science Study materials, a set of eight science modules, are reviewed. Modules consist of teacher's guide, activity cards, and related equipment. (MR)

Tips for raising and caring for spiders are given. Feeding habits, web spinning, and ecological relationships are discussed as possible areas for study during the school year. Directions for catching the spiders and making a home for them are included along with suggestions for food sources. (MA)

Suggests activities designed to introduce elementary school students to the idea of inherited traits. Discusses dominant and recessive genes, genotypes and phenotypes, and such traits as attached earlobes, tongue-rolling, and widow's peak. (DH)

Describes the natural history of the leopard frog and factors which make it appropriate for short-term study in the classroom. Information on the frog's habits, life cycle, housing, care, and health is included. (DH)

Suggests using Play Doh to mold models of the nucleus, mitochondria, and inner cellular structures. Students can conceptualize the cell's structures as three-dimensional even though they appear two-dimensional under a microscope. Includes instructions for preparing homemade dough. (Author/JN)