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In this multi-part activity learners examine non-point water pollution.

In this activity, learners will use Google Sky to observe features of the night sky and share their observations.

In this online Flash game, learners will explore a coral reef using an underwater remotely operated vehicle (ROV).

In this activity, learners will build the highest tower they can out of recycled materials.

Are fingers the only place on the body where we use our sense of touch? In this activity (6th activity on the page), learners test the touch sensitivity of different parts of the body.

This activity offers learners and their families several ways to raise their awareness together about home water.

In this activity (11th activity on the page), learners use pennies to test their hearing acuity.