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Saltwater vs. Freshwater

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In this lesson students will show the proportion of freshwater compared to saltwater on Earth.
Students will define the problem of having a limited amount of fresh water using evidence gathered from research. They will engineer a device that can change saltwater into freshwater. Students will show their understanding and create models based on their understanding that matter is made of particles that are too small to be seen by the human eye.

Lesson Grade Level

5th Grade

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Designed for three hour-long STEAM Club meetings for scholars from kindergarten - fourth grade. This lesson plan can also be used for fifth-seventh grade scholars. Scholars will learn about