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Walk On Water Bugs
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In this activity (on pages 29-35), learners examine water pollution and filtration.
Salting Out
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In this activity, learners create a mixture of water, alcohol and permanent marker ink, and then add salt to form a colored alcohol layer on top of a colorless water layer.
Float My Boat
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In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?