|Product #: SED10556_TQ|
Water Scientists (Resource Book Only) eBookGrade 3|Grade 4
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Water science dates back to the tenth century when Persians made discoveries about groundwater. Mathematician Mohammed Karaji wrote an early book about the main ideas of the water cycle. In the 1500s, Bernard Palissy connected the flow of rivers and streams to rainfall. Astronomers made advances in water science by studying the weather. Today, water scientists are needed to be sure our water is clean and safe for all living things to use.
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