Simple Experiments in Time

by Muriel Mandell

Published 12 December 1991
This title shows children how to tell the time using the sun, moon and stars; make their own hourglass and candle timekeeper; and more. It is aimed at children age 8 to 12 years old. What makes time tick? With these dozens of experiments, budding scientists will happily pass the hours investigating all its wonders. They'll learn how to tell time using the sun, moon and stars; make their own hourglass and candle timekeeper; and, learn how clocks and watches operate. Fun-filled activities include creating a model of the International Date Line and constructing a cereal box planetarium, plus there are intriguing answers to such questions as whether we'll ever be able to travel through time.

Weather Experiments

by Muriel Mandell

Published 1 June 2006
Get the scoop on weather - from the ground, right up to the clouds in the sky. Dozens of really amazing, hands-on experiments, along with fascinating facts and figures, help kids comprehend fundamental aspects of our world, including why the North Pole is colder than the Equator and whether lightning ever really does strike twice. Youngsters will enjoy making an indoor cloud, dissecting a hailstone and even building a weather station.