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In this activity, learners explore how salt water freezes in comparison to fresh water.

In this activity, learners capture and observe planaria, which are worms that eat tiny pond critters.

In this outdoor activity/field trip, learners catch and observe water striders to explore their movement and feeding behaviors.

In this outdoor activity/field trip, learners explore an aquatic site such as a pond, lake, stream, river or seashore to find and investigate plants and animals that live in water.

In this outdoor activity/field trip, learners locate and study plants and animals in several freshwater pond habitats.