Entertaining With Number Tricks.

By George Barr

Gives directions for a variety of tricks involving numbers, explains why they work, and suggests techniques for using them in a performance before an audience.

Science tricks and magic for young people

By George Barr

Explains how to perform over twenty-five tricks, oddities, and effects, based on scientific principles, including "Fun with a Clotheshanger," "Catching Air in a Paper Bag," and "Walking Through a C...

Science research experiments for young people

By George Barr

Experiments to do at home include inquiries into the cold light of fireflies, the speed of ants, magnetic poles, lung capacity, and many other things. Includes guidelines for performing accurate re...

Sports Science for Young People

By George Barr

Explains how scientific principles affect the way athletes perform, particularly in football, basketball, and baseball.

Outdoor science projects for young people

By George Barr

Noises, odors, sounds, and colors of city and country provide the basis of scientific inquiry and exploration as readers learn to recognize birds, animal prints, constellations, plants, metals, and...

Fascinating science experiments for young people

By George Barr

Describes experiments in chemistry, astronomy, biology, meteorology, and other branches of science.

Fun with science

By George Barr

Science projects for young people

By George Barr

Introduces the methods of scientific research through simple experiments with light and color, sound and music, plants, and chemical analysis. Also discusses equipment and safety.

Young scientist and the dentist

By George Barr

Describes the structure and diseases of the teeth and gums, a dentist's tools and their uses, some of the modern methods of dentistry, and proper care of the teeth.