Describes how an elementary school class investigated different soap solutions and then developed their own business to sell their own brand of soap. (PR)

Discusses the origins of the idea of teaching physics by starting with thermodynamics rather than from mechanics. Presents a modern version of this approach. (PR)

Describes a project of creating an "Amazing but True!" bulletin board display. Students create miniposters of interesting scientific facts. (PR)

Describes making paper with simple materials. (PR)

Describes making yogurt and extension activities for biology instruction. (PR)

Summarizes current information on the cell for the following topics: mitochondria from the male, moving cells, the cell cycle, the kinetics of kinetechore, nuclear structure, and sorting and secretion. (PR)

Presents an elaboration of the "Dancing Raisins" activity, that features a discrepant event. Ingredients in the stew include baking soda, water, vinegar, raisins, pasta, popcorn kernels, and food coloring. (PR)

Presents activities to familiarize elementary students with some basic concepts regarding human inheritance. (PR)

Describes three activities to help students understand plate tectonics. (PR)

Describes a one- to two-week project where students create a biographical scrapbook to document the life of a chosen scientist. When sources are not easily found, students are encouraged to use their imaginations to create birth certificates, news articles, letters, and interviews. (PR)

Describes types of sand and presents science activities using sand. (PR)

Presents thought experiments and science activities for helping students think about quantum mechanics and the idea of randomness. (PR)

Describes four experiments that enable students to explore the phenomena of evaporation and condensation and determine the relative humidity by measuring air temperature and dew point on warm September days. Provides tables to calculate saturation points and relative humidity. (MDH)

Describes a student project for building a laboratory balance. (PR)

Asserts that field experiences cannot be replaced by a textbook or a computer program and discusses why field trips at the college level are in decline. (PR)