Suggested activities for data collection and manipulation in the middle/junior high school are provided. The activities also help students to learn other process skills such as constructing graphs, describing relationships between variables, and analyzing their investigations. (JN)

Describes a hands-on lesson in magnetism designed to be used with upper elementary grade students. Emphasizes structured experiences which involve the student in measuring, data collecting, graphing, and extrapolating information. (TW)

Describes a lesson in which fifth graders made observations of candles. Discusses the progress of the lesson and the necessity of instructing students in what and how to watch and measure. Stresses that this can be easily accomplished inexpensively with imagination. (CW)