This syllabus gives detailed information on monitoring water quality for teachers and students. It tells how to select a sample site; how to measure physical characteristics such as temperature, turbidity, and stream velocity; how to measure chemical parameters such as alkalinity, dissolved oxygen levels, phosphate levels, and ammonia nitrogen…

This document is a collection of six energy education activities for junior high school science. Its purpose is to help promote knowledge about energy, provide laboratory experiences, provoke inquiry, and relate energy to society through the science curriculum. The six activities are designed to take one to three class periods. Two of the…

Describes a project in which students study plant life and the relationship of plants to one another in a meter quadrant. Information to be collected is edaphic data which is then graphed and interpretations made. (BR)

Describes construction of an inexpensive wind tunnel and a water manometer; experiments with model airplanes; and the calibration of the manometer and its use to measure wind velocity and lift on an airplane wing. Additional experiments with an electric fan are suggested. Diagrams are included. (GH)

A capacitor is discharged to generate an acoustical pulse and start a digital counter which is stopped by a microphone. Differences are accurately measured by positioning the sensing microphone on an optical bench. Results are discussed and extended experiments are suggested. The sources of some components are given. (GH)

Describes a cell that is free-standing and facilitates the collection of evolved gases in test-tubes. A similar cell is used to demonstrate the Kellner-Solvay electrolysis of brine. (GS)

Microcomputers are commonly interfaced to external devices in scientific, industrial, and consumer settings for data acquisition and for control. The general problem under consideration is the task of taking measurements of some continuous phenomenon, transforming them into digital form, and storing the data in the microcomputer for later use.…

This manual is a resource guide on energy conservation for teachers of science students from grades seven to twelve. It contains 12 student activities which are grouped into four goal oriented units. The main objectives of the project are to increase the student's understanding that: (1) Natural laws limit energy availability; (2) Energy…

This document is designed to provide teachers and students with a working knowledge of 35mm photography. Topics include Film Types and Filters, Camera and Lenses, Photomicrography, and the Darkroom. The Appendices contain science activities and projects for both teachers and students and a Bibliography provides additional sources of information.…