Examines social changes in the areas of family life, education, housing, work, fashion, communication, and health over the past 100 years and offers predictions for the future.
Presents instructions for ten experiments on such topics as air, clouds, stars, and the colors of sunsets and the sky, and includes discussions of the concepts explored.
Presents step-by-step instructions for more than thirty astronomy projects, including building one's own observatory, and includes science fair ideas and a directory of supply companies.
Provides suggestions and directions for science fair projects that present and explain a variety of space-related concepts, such as solar eclipse, seasonal changes, magnetic fields, and weightlessness.
This book presents science projects and science fair ideas that are involved in chemical properties, acids and bases, temperature and air pressure, conductivity and the effects of temperature on matter, and practical applications of chemistry.
