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Investigation Question 3:
How does water move through soil?
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Preparation
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Teaching and Learning Focus
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You can help your students investigate the different ways in which water moves through soil particles.
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Materials Need
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For each group of four students:
- 5 6-ounce clear plastic cups with four small holes punched in each with a ballpoint pen
- 5 10-ounce clear plastic cups
- 1 graduated kitchen measuring cup or laboratory graduated cylinder
- 1 pitcher of water
- 1 large spoon or scoop for transferring samples to cups
- Clear view of a classroom clock with a second hand
Enough of each of the following materials to fill a 10-ounce cup about 2/3 full:
- garden soil (use natural soil collected outside, not recently soaked with water)
- sand
- pea-size gravel
- dry powdered clay
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Safety
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This investigation is considered generally safe to do with students. However, please review it for your specific setting, materials, students, and conventional safety precautions.
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