Describes procedures that can help students to make model geodes from eggshells, copper sulfate, and other crystalforming substances. (HM)

Describes several activities which can be used, by the teacher, as class demonstrations or projects to stimulate student interest in weather phenomena. (JR)

Describes an extended problem-solving activity utilizing drift-bottles that encourages students to deduce probable and great-circle drift-bottle routes, to use logic based on unit calculations, and to estimate the distance traveled and the minimum velocity of these drift-bottles. Includes materials needed, learning objectives, procedures,…

Presents year-long, elementary science projects that address the question of why daylight hours vary in length according to locality. Provides three instructional units designed to commence in September, including data collection activities for sunny days encouraging later classroom calculations; on-going graphing activities; and modeling…

Describes a project where students were involved in finding the most suitable site for a landfill in their community. This two-month project was conducted using team teaching. Two twelfth grade geoscience classes were involved. (PR)

Uses shoeboxes to set up science kits to supplement specific areas of the science curriculum. Each kit contains a set of material and instructions for a single activity. The activity is intended as an individualized experience that is related to a current topic of study or that reinforces a recent topic. Details for making six sample shoeboxes are…