Gives instructions for building or making theodolites, sundials, telescopes, spectroscopes, planetariums, and models of stars, and describes methods and times for observing the sun, moon, planets, stars, comets, and meteors.

A guidebook for the student who wants to use a computer in a science project, indicating the ways computer knowledge can be used in the performance of an investigation or project or in the analysis of the results.

Describes the functioning of the heart and circulatory system, presenting numerous related projects, and including information on science scholarships, grants, and awards.

Ideas and instructions for a variety of science projects that examine the characteristics of the space environment and consider forces such as gravity, magnetism, and buoyancy.

Instructions for a variety of projects and experiments related to solar, thermal, electrical, kinetic, and potential energy.

Suggests topics and tips on preparing a project or original research in pure mathematics for a science fair. Discusses such areas as probability, geometry, topology, number theory, and sequences.

Projects and experiments explore such aspects of the Earth as its age, plate tectonics, earthquakes, and hydrogeology.