Described is a lesson in which the midpoint of the measuring stick (center of gravity), the balance point of the stick (fulcrum) and the arithmetic mean are assumed to be the same point. Provides content background, lesson outline, procedure, evaluation, teacher notes, and diagrammatical representations. (RT)

Describes a strategy which uses writing to help students learn science concepts. Provides a description of the target population, a justification for the various components of the strategy, and information on brainstorming and concept map formation. Reports that use of this method enhances students' interest, motivation, and understanding of…

Discusses how actual or planned travel experiences can form the basis for constructing realistic, challenging, and interesting problem-solving tasks for classroom use. Provides examples of how teachers and students can create travel problems for use in the classroom. The travel-problem concept is adaptable to any elementary, secondary, or…

Describes features and offerings of Project AIMS (Activities that Integrate Mathematics and Science) which relies on materials developed and written by teachers and uses inexpensive, easily acquired equipment and supplies. The focus is on hands-on mathematics and science. Includes a brief critique of the program. (MKR)