Scientists call the land along the edges of a river, stream, or lake a riparian zone. In this guide, riparian zone will be called the Green Zone. Riparian zones make up only a small part of land in the United States. But they are very important. They protect water quality and quantity, supply food and shelter for fish and wildlife, and provide…

Describes the electrical and material characteristics of a wide variety of sensors and switches, as well as methods for connecting them to computers that are equipped with a joystick interface. Includes a BASIC computer program that facilitates automation of science experiments and storage of data gathered with simple transducers and sensors.…

Presents a nontechnical introduction to the field of statistics. Includes discussions on descriptive statistics, random variables, mean, standard deviation, standardized scores, and inferential statistics. Describes six statistical software packages available for IBM personal computers and compatibles. (KR)

This guide is intended for the secondary school teacher (especially math or science) or the student who wants to access and learn about scientific data on the Internet. It is organized as a self-guided exploration. Nine exercises enable the user to access and analyze on-line information from the National Oceanic and Atmospheric Administration…

This activity guide, developed to provide hands-on environmental education activities geared to Singletary Lake State Park in North Carolina, is targeted for grades 6, 7, and 8 and meets curriculum objectives of the standard course of study established by the North Carolina Department of Public Instruction. Three types of activities are included:…

This activity guide, developed to provide hands-on environmental education activities geared to Jones Lake State Park in North Carolina, is targeted for grades 6, 7, and 8 and meets curriculum objectives in the standard course of study established by the North Carolina Department of Public Instruction. Three types of activities are included:…