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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?

In this hands-on activity, learners use the steps of the design process to create a hook to rescue a "space capsule" from the water.

In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.

In this activity (on pages 29-35), learners examine water pollution and filtration.

This activity gives caregivers and their children an opportunity to practice scientific ways of thinking that are developmentally appropriate for early learners.