Offers suggestions for activities that demonstrate the principles of osmosis. Explains how decalcified chicken eggs can be used to give students practice with measurement, experimental procedures, and science principles. (ML)

This Child Development Associate (CDA) training module, one of a series of 18, provides a guide to science activities for preschool children. Objectives state that upon completion of the module the CDA trainee will be able to provide daily opportunities for science concept development; enhance children's problem solving abilities; stimulate…

This handbook is designed to meet the aquatic education needs of Minnesota elementary teachers and students (aquatic education referring to the study of freshwater systems). The handbook is divided into three parts. Part 1 (an introduction) provides an overview of aquatic education, a description of the use of the handbook, and two indexes to…

This document is the third of a three-volume teacher resource book for use with the Energy 80 energy education program. The program is designed to enhance students' understanding of energy, either through supplements to traditional courses, such as mathematics, science, social studies, or homemaking, or by developing a mini-course or…

This sourcebook consists of background information and activities related to groundwater protection. The first section focuses on the characteristics of groundwater, the water cycle, stormwater runoff, and uses of groundwater. The second section addresses household hazardous materials--both from a safety standpoint and a groundwater standpoint.…