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Salt, Soil and Seeds
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Discover how the salt in soil affects plant growth with a few seeds, some cotton, and salt. In this hands-on activity, you will plant seeds in 2 different kinds of soil, containing more or less salt.
Making Waves
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Investigate the interaction of liquids of different densities and experiment with wave patterns with this hands-on activity.
Pepper Scatter
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In this quick activity, learners break the tension that happens when water develops a "skin." Learners use water, pepper and some soap to discover the wonders of surface tension—the force that attract
Turbidity
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This is an activity about turbidity, or the amount of sediment suspended in water.
Water Cycle in a Bag
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In this activity, learners create a biosphere in a baggie.