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A Drop Through Time

Science and Children – July 2007

Did you know that the water you use today is the same water that was used millions of years ago? How is this possible? Water is continuously replenished through a naturally occurring process known as the water cycle. To help students learn about this important concept, an eight-day unit was created for fifth-grade students to explore the water cycle and its components, including evaporation, condensation, and precipitation. This unit uses the “Do-Talk-Do” instructional strategy (Kemper and Ramsey 1997), an easy to follow planning strategy for teachers that involves students in authentic hands-on experiences, social interaction, and concept development based on prior knowledge.
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