Space and time
An introductory examination of the relationship between space and time: the space an object occupies depending on its shape; giving order to space and time with maps and calendars; and measuring space and time with containers, rulers, the moon, seasons, and clocks.
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| Язык: | English |
| Опубликовано: |
New York
F. Watts
[c1968]
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| Серии: | Science experiences
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