A microcosm is a small, completely sealed, self-sustaining ecosystem. Once a microcosm has been sealed in a transparent container, only light and some heat can enter and only excess heat can leave. This manual describes how to set up aquatic microcosms using glass jars and little or no collecting equipment. The activities can be tailored to suit…

This book contains simple experiments through which students explore air and its properties. Some of the topics discussed include alternative energy, bacteria, carbon dioxide, motion, weather, and flight. Experiments include: blowing a balloon up in a bottle; seeing air in water; making a lunch-bag kite, weather vanes, and paper glider;…

This book presents interesting lessons about freshwater and saltwater wetlands, the creatures that inhabit them, and individuals who have played an important role in saving them. Activities in this book give students a chance to do their own research, perform experiments, use field guides, and work with maps and diagrams. Students are asked to…

The Maryland Pilot Earth Science and Technology Education Network (MAPS-NET) project was sponsored by the National Aeronautics and Space Administration (NASA) to enrich teacher preparation and classroom learning in the area of Earth system science. This publication includes a teacher's guide that replicates material taught during a graduate-level…

This booklet, one of six in the Living Things Science series, presents activities about heredity and genetics which address basic "Benchmarks" suggested by the American Association for the Advancement of Science for the Living Environment for grades 3-5. Contents include background information, vocabulary (in English and Spanish),…

This book contains classroom experiments designed to promote group skills. Each lesson has 4 parts: a 3-minute set-up; 5-minute warm-up, 25-minute experiment, and 5-minute clean-up. During each part, each member of the group is responsible for performing a specific task. Included are 34 labs that cover a range of topics: observations, physical…

This book contains science projects about seed plants that deal with plant physiology, plant ecology, and plant agriculture. Each of the projects includes a step-by-step experiment followed by suggestions for further investigations. Chapters include: (1) "Bean Seed Imbibition"; (2) "Germination Percentages of Different Types of Seeds"; (3)…

This program is the third in the Science Safari series produced by the Fairfax Network of the Fairfax County (Virginia) Public Schools. It focuses on animals and plants that are native to the continent of North America and highlights the importance of species interdependence. The aim of this program is to provide students with the knowledge…

This illustrated book presents the natural world that exists right outside the door through a series of projects, experiments, and activities that are simple enough for young children to do. Activities are divided into six sections: (1) Insects and Worms; (2) Birds; (3) Backyard Animals; (4) Seeds; (5) Plant Magic; and (6) Soil, Air, and Water.…

This document describes a game that provides students with practice in learning vocabulary and concepts associated with wolves. Directions for play and play cards (four to a page) are included. (ASK)

Describes the construction and operation of a simple field mill to measure atmospheric electric fields. (Author/CP)

Presents both a geometric model of the hologram and a step-by-step guide to the procedures involved in making a hologram. (Author/CP)

Provides an analysis of the forces causing the erratic motion of a knuckleball. Reveals the manner the ball should be thrown to provide maximum deflection. (Author/CP)

Describes construction of a variety of relatively inexpensive cameras for astronomical purposes. (CP)

Photographs show three simple demonstrations of deceptive centers of gravity. (CP)