Part of a series which combines an informal approach to language and strong visual imagery, this book investigates the theme of time and looks at all aspects of the topic from calendars to pendulum clocks. Amongst other issues, it explains how the sun, water and stars can be used to tell the time and why there are 365 days in a year and 24 hours in a day. Promoting learning through being a "scientist", children meet the concepts of observation, data collection, organization and deduction and make it work. Through step-by-step guidance, original models from simple materials, are described using simple materials to explore scientific principles. The series was the 1994 winner of the American Institute of Physics Science Writing Award.
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