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COSI's Bubble Recipe
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Everybody loves bubbles, and this is the best bubble recipe ever!

Sunny Day Painting
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In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.

From Here to There
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In this water activity, learners discover ways to move water across the water table.

Weather Vane and Anemometer
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In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.