Describes seven creative laboratory activities appropriate at any grade level (K-12) that stress the method and spirit of scientific inquiry. (CS)

Describes several activities involving a total eclipse of the moon. Included are observations with binoculars, naked eye, and telescope; timing activities and observations of color changes during penumbral and umbral phases; and photography activities. (CS)

Organizing, storing, and using materials for classroom games are discussed. Materials and directions are listed for three strategy games, three whole number games, three fraction games, and three geometry games. (DT)

Boyle's Law and basic relationships between volume and pressure of a gas at constant temperature are presented. Suggests two laboratory activities for demonstrating the effect of temperature on the volume of a gas or liquid. (CS)

An egg-drop project, illustrating Newton's Laws of Motion, is described. (DT)

An activity is described in which PI is approximated by measuring the perimeters of regular polygons inscribed in a unit circle. (DT)

The concept of density is discussed. Three activities in which students can determine the density of materials are suggested. (DT)

Discusses and clarifies the confusion arising from the use of the terms "mass,""volume,""matter,""mole," and "Avogadro's number." Suggests three laboratory activities concerning mass, volume, and number of particles in a given volume. (CS)

A worksheet is provided for helping students compute the distance a stewardess walks while serving meals to passengers. (DT)

An ant city is used as the basis for counting and other numerical activities. (DT)

Suggestions for outdoor mathematics activities include six each for primary-age and intermediate-age children. (MK)

An annotated bibliography of astronomy activities is provided. Appropriate level for suggested activities is indicated. (MK)