A planetarium, star projector, and projector stand all which can be built for $30 are pictured. Classroom activities involving the materials are described. (CP)

Numerous science and mathematics activities which can be performed with sporks (plastic spoon-forks) that are packaged in cellophane with a napkin and a straw and distributed with school lunches are described. (CP)

A five-week introductory unit on electricity, structured in a historical perspective provided by the letters of Ben Franklin, is described. (CP)

Reviews the Environmental Education Activities Manual series, edited by William B. Stapp and Dorothy A. Cox. Selected activities from each of the six volumes of the set are described. Volumes are organized according to age level. (CP)

Provides a series of learning center activities which demonstrate concepts about air. (CP)

Tips for raising and caring for spiders are given. Feeding habits, web spinning, and ecological relationships are discussed as possible areas for study during the school year. Directions for catching the spiders and making a home for them are included along with suggestions for food sources. (MA)

Specific characteristics of the different spiders' webs are discussed. Photographs illustrate the various web designs and web-making spiders. Included also are the numerous uses a spider makes from its own web. (MA)

Many children develop a mistaken attitude about the predator-prey relationship in the ecosystem. Fairy tales portray the predator as evil or worthless. This article attempts to clarify the role of the predator by giving numerous examples of the value of predators. (MA)

Making pickles developed from a laboratory lesson during a unit on solutions, suspensions, acids, and bases. The pickle lab has been used as a summation and application of these topics. Directions for setting up the lab experience and actually making the pickles are included. (MA)

A Maryland school district and the Smithsonian Institution have become partners in outdoor science education. Working together, they have developed a series of activities for students in grades 1-8 that are an integrated part of a total unified science curriculum, meeting the need of teachers and students alike. (MA)

The webs of eight North American spiders are illustrated and discussed. Using these webs, the spiders are able to catch insects for their meals. Each of the webs are unique and require a different approach to the problem of food getting. (MA)

The importance of energy conservation is developed in this simulation. Children draw an automobile and then are asked to drive it through the classroom roadways. When a traffic jam results, students offer ways to eliminate it. The importance of mass transportation and car pools is stressed by the teacher. (MA)

Science is an often ignored subject in the elementary grades. This article lists and briefly discusses ten suggestions for strengthening and enriching an elementary science curriculum. Among the ways given are science fairs, museums, outdoor learning centers, filmstrips clinics, and school weather stations. (MA)

Collections and classification activities are the topic of this article. Ways to structure an outdoor collecting venture are discussed. Once the materials have been collected, there are suggestions for introducing young children to the task of classifying their rocks, leaves, shells, and other collected items. (MA)

This article reviews the Exploring Science elementary series by Laidlaw Brothers. Evaluation is on the basis of content, format, program features, student evaluation, and teachers' edition. The program is a blend of traditional and new hands-on activities. Emphasis is more content than process oriented, especially in the upper grades. (Author/MA)