Presents oddball contraptions designed to stimulate and nurture whatever creative talents children have. (DF)

Applications of wheels are shown to be an invaluable tool in teaching the processes and technology of science. (DF)

Describes an activity using simple materials that gives students an opportunity to express their ideas about possible extraterrestrial life forms. (JR)

Describes how student understanding and interest in the metric system system can be stimulated by building and launching model rockets. (JR)

Explains how radiographs (from X-rays) can be used in elementary and middle-school curricula. (PR)

Presented are 12 biology experiments suitable for use in intermediate grade classrooms. Topics include plants, protists, fungi, animals, and osmosis. Provided are objectives, lists of materials, procedures, results, and explanations of the results. (CW)

Presents a lesson on introducing writing into the science curriculum by using an experiment to illustrate the detrimental effect of tobacco smoke on human lungs. Outlines the materials, procedures, a summary of the project, extension activities, and additional information about the writing process. Two handout sheets are included. (RT)

With thousands of activities available, how does a teacher select activities appropriate for the classroom? Describes the guidelines of the "Science Activity Filter," which provide a useful protocol for evaluating science activities for their value in the classroom, allowing the teacher to use resources effectively, minimize discipline and safety…

Activities that may take place in a greenhouse are discussed. Included are learning how to grow plants, plant growth, soil, vegetative reproduction, and plant habitat adaptations. Materials, procedures, and results are presented for the activities. (CW)

Presents several fun activities and teacher demonstrations which simplify terms and condense science concepts for teaching about the lever, wedge, wheel and axle, screw, pulley, and the inclined plane. Includes objectives, materials, procedures, suggested follow-up assignments, and diagrams. (RT)

Describes how students can make and use Hooey Machines to learn how mechanical energy can be transferred from one object to another within a system. The Hooey Machine is made using a pencil, eight thumbtacks, one pushpin, tape, scissors, graph paper, and a plastic lid. (PR)

Illustrated are five classroom projects about the relationship between weight and size in animals. Background information and procedures are provided. Ten extension activities are suggested. (CW)

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…