Instructions for reproducing two exhibits from the Exploratorium, San Francisco's science museum, are given. One shows students how white light can be made from red, blue, and green lights. The other helps children discover how small time differences allow them to perceive the origin of a sound. (MT)

Ways of teaching students to communicate effectively using descriptive words and comparative statements are described. Two task cards involving descriptions of experiments investigating air pressure are included. (MT)

Describes several significant observations by amateur astronomers of recent, spectacular clouds and storm systems on Mars, Jupiter, and Saturn. (Author/JJK)

Describes a project where students were given a small but real scientific question and allowed to deal with all aspects of the project just as a professional scientist would, rather than work on the science part only. (JRH)

A proliferation of new government regulations and other events in recent years has made it more and more difficult to teach science and engage in science activities. Rapid advances in biotechnology have made it difficult for both students and teachers to stay abreast of current events. These difficulties along with others have turned some teachers…

This teacher module provides background information and resources to the Annual Duracell/National Science Teachers Association Scholarship Competition Invention Challenge for high school students. Contents include: (1) "Introduction to the Competition"; (2) "Tips for Motivating Students"; (3) "Preparing for Inventing"; (4) "Teaching Invention:…

Describes how to set up an economical saltwater aquarium and where to obtain supplies and inhabitants. Discusses the characteristics of a saltwater aquarium, proper aquarium maintenance, the compatibility of diverse life forms, and the time scale necessary to develop and sustain a favorable natural environment. (nine references) (Author/JJK)

Describes a project that helps students integrate biological concepts using both creativity and higher-order problem-solving skills. Involves students playing the roles of junior scientists aboard a starship in orbit around a class M planet and using a description of habitats, seasonal details, and a surface map of prominent geographic features to…

This is the first program in the Science Safari series produced by the Fairfax Network of the Fairfax County Public Schools. The series and the accompanying print materials are designed to show students a broad spectrum of animal life, introduce students to a variety of people who work with animals, and help students become aware of the important…

Describes how to construct a simple pendulum seismometer. Includes schematic drawing of the electronic circuitry, a working drawing of the apparatus, and typical seismometer outputs caused by nearby trains and various earthquake-generated waves. (JJK)

Provides simple instructions for establishing an herbarium, in which the collecting and classifying of dried plants preserves a vital record of the status and variety of the flora found within particular locations at specific times. (Author/JJK)

Analyzes the process of large scale curriculum development. Locates the projects and their development within the range of approaches advocated in science education and considers the practical decisions taken during the development in relation to theories of curriculum development and change. (ZWH)

Describes an activity that allows students to design and build a craft whose propulsion is derived entirely by the carbon dioxide produced in the chemical reaction between baking soda and vinegar. (ZWH)