This book presents science activities developed by teachers for children ages 3-6 years old. The activities aim to develop science skills including communication, observation, estimation, measurement, cause and effect, investigation, and evaluation in children by using their curiosity as a staring point. Activities include age suggestions, address…

Describes a method suitable for quantitative studies of plant water status conducted by high school or college students and the calculation of the relative water content (RWC) of a plant. Materials, methods, procedures, and results are discussed, with sample data figures provided. (CS)

Describes an activity-based science program. Provides information on background thinking, selecting an activity, planning for instruction, and following up. Discusses choosing activities that meet the needs of students while still fulfilling curriculum requirements and reaching personal academic goals. (SAH)

Discusses several of the plant responses to the environment and ways that these responses can be demonstrated. Includes phytochrome-controlled growth, phototropism, and geotropism. (CS)

Describes the distinctive features of the common snapping turtle. Discusses facts and misconceptions held about the turtle. Provides guidelines for proper care and treatment of a young snapper in a classroom environment. (ML)

Presents a mechanical model for an ecology laboratory that introduces the concept of optimal foraging theory. Describes the physical model which includes a board studded with protruding machine bolts that simulate prey, and blindfolded students who simulate either generalist or specialist predator types. Discusses the theoretical model and data…

Describes urinalysis techniques for dry weight measurement, examination of urinary calculi (stones), and determination of the presence of blood and blood pigments. Also presented are directions for preparing required reagents. (WB)

Outlines a procedure where chromatographic separation can be easily done and provides an introduction to column chromatography. (CS)

Presents a model of the cardiovascular system which solves a set of interacting, possibly nonlinear, differential equations. Figures present a schematic diagram of the model and printouts that simulate normal conditions, exercise, hemorrhage, reduced contractility. The nine interacting equations used to describe the system are described in the…

Presented are: (1) lists of materials needed and instructions for building insect traps, nets, and cages; (2) a list of 45 questions about insects (with answers); (3) a glossary with insect-related words; and (4) a bibliography, listing children's books, field guides, audiovisual aids, and articles appearing in "Ranger Rick" magazine. (JN)

Provides instructions for setting up an indoor pond for the elementary school classroom. (CS)

Describes methods for studying the direct effect of thyroid hormones on the induction of metamorphic change in amphibians. (CS)

Describes some experiences of 30 teachers who met at the Tsongas Industrial History Center in Lowell, Massachusetts, to develop motivating, interdisciplinary activities for middle school students around science, technology, and industry. Discusses interdisciplinary problem solving using the design loop and presents six problems related to corn and…

This book shows how physics relates to daily life. Chapters included are: (1) "Physics of Fun" (dealing with the concepts of friction, Bernoulli's principle, lift, buoyancy, adhesion, cohesion, surface tension, gas expansion, waves, light, mirror images, and solar cells); (2) "Physics of Nature" (illustrating the concepts of inertia, static…

Presents: (1) a glossary with astronomy-related words; (2) a list of 25 questions about astronomy (with answers); and (3) a bibliography, listing children's books, reference books, audiovisual aids, posters, activity sources, software, and articles appearing in "Ranger Rick" magazine. (JN)