Vecchione, Glen

Relates the discovery of magnetism, discusses the principles behind it, and suggests experiments which offer a "hands-on" explanation of how it works.

Presents ideas and plans for one hundred unusual science fair projects, covering a variety of topics including animals, food, electronics, and plants.

A collection of over seventy math puzzles, games, and tricks that challenge skills in areas such as probability, logic, continuous networks, numbers, and spatial relations.

Provides descriptions of one hundred science projects, each with instructions on how to perform an experiment, demonstrate a procedure, or build a working model; grouped in the categories of chemists and cooks, earth and sky, sparks and waves, eye and mind, light and sound, mechanics and motion, plants and animals, and stars and planets.

Describes dozens of games that children can play outside.

Contains ideas for one hundred science projects, each with a list of materials, and information in the categories of background, procedure, hypothesis, experiment to test hypothesis, and results and conclusions; and includes discussion of the scientific method, research paper and project journal, and display, as well as tips from a science fair judge.

Contains a variety of science fair projects, including those involving electricity, ecology, biology, and perception. Each project includes instructions and tips for exhibition.