Describes an environmental education program for grades seven, eight, and nine. The program stresses mastery learning and projects are selected to give students a chance to use skills in real situations. Includes a description of a student-built greenhouse. (MA)

Presents thirteen concepts about water and suggests science activities for each. Designed as early childhood learning experiences. (MA)

Describes methods of collecting crayfish and maintaining them in the classroom. Also discusses reproduction and molting of crayfish. (MA)

Discusses the importance of questioning as a means of achieving independent intelligence, critical thinking, and learning to learn. Advocates a science program that encourages investigation, discovery, and questioning. (MA)

Describes a paper chromatography experiment designed for fifth and sixth grade students. Utilizes common materials that need no special ordering. Background information, conclusion questions, and sample chart are included. (MA)

Describes a 10 week Saturday program in open-ended, hands-on science activity. Sessions emphasize three stages of learning: (1) messing about with concrete materials; (2) introduction of new equipment and probing questions; and (3) large group sharing session. Discusses the teacher's role and extended activities. (MA)

Discusses meteorological resources available to classroom teachers. Describes in detail the National Oceanic and Atmospheric Administration (NOAA) Weather Radio and the A.M. Weather Show on Public Broadcasting Service (PBS). Includes addresses where teachers can get more information. (MA)

Provides step-by-step instructions for constructing a simple, inexpensive microscope. Illustrated with photographs and a drawing. (MA)

Describes a creative art activity in ecology involving the creation of an aquatic environment using construction paper, pipe cleaners, yarn, tissue paper, felt-tip pens, and glue. (MA)

Presents basic guidelines for classroom control and discipline for teachers using new science programs that encourage independent study and hands-on activities. (MA)

Describes life science activities for blind or visually impaired students including aquarium studies, plant germination, classroom animals, and outdoor activities designed with a multisensory approach. (MA)

Describes the care and maintenance of a freshwater aquarium in the classroom. Includes a chart indicating organisms, special uses, and care. (MA)

Presents activities that can be done to help preschool and primary age children discover some of the properties of snow. Includes questions to ask the children during the activity. (MA)

Examines the periodical "Scienceland," a Panasonic light scope, and an astronomy light for quality, accuracy, and usefulness in the classroom. (MA)

Directions are given for construction of an astrolabe capable of yielding two celestial coordinates: altitude and azimuth. Potential uses are included for both young and older children. Quantitative measurement activities related to celestial motion and position are given. (SA)