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Physical Sci. Separating Mixtures Investigation 1 Part 1

Grade Level:: 5
Subject:: Science
Topic:: Physical Sci. Separating Mixtures
Objective:: Students make mixtures of water and solid materials (gravel, diatomaceous earth, and salt) and separate the mixtures with screens and filters.They discover the water and salt make a special kind of mixtures, a solutions, which can not be separated with a filter. Students read FOSS text to reinforces and extends the concepts of mixtures.
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Prep:: Set up student investigation materials
Materials:: Kosher salt, gravel, diatomaceous Earth, screens, filter paper, funnel, water
Standards Met:

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Physical Sci. Separating Mixtures Investigation 1 Part 1