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1) Speed
Author
Series
Language
English
Description
Discusses different aspects of speed and describes how it is measured on land, in the water, and in the air. Includes activities that investigate the speeds of light and sound, the effect of friction, and more.
2) Time
Author
Series
Language
English
Description
Discusses the elements of time and various ways to measure it, from shadow clocks and digital watches to calendars and time zones.
3) Distance
Author
Series
Language
English
Description
Explains the elements of distance, from body measures to standard systems, furlongs and calipers, scale drawings, maps, and perspective.
4) Size
Author
Series
Language
English
Description
Discusses the elements of size, including height and weight, and explores various ways of measuring area, volume, and mass.
5) Temperature
Author
Series
Language
English
Description
Discusses the elements of temperature, from sunlight and thermometers to water vapor and insulation, and examines ways of measuring temperature.
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