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Back to Educator Index | Dam Challenge Hands-On Activity Handout
Go to the Dam Challenge
- Combine water and sand in a trash barrel in a ratio of 1/2 gallon of water to 50 pounds of sand. Scoop wet sand into a sloping heap in one half of a clear plastic storage container. Kids can form a river channel in the wet sand and build a dam at one end of the channel.
- Encourage kids to think about ways to use the materials to make their dams waterproof as well as strong. (They can use the clay to make a waterproof barrier inside their dams).
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