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This outdoor activity/field trip requires a place where minnows swim, such as a local pond or brook.

In this activity, learners discuss the different salinities of oceans, rivers and estuaries.

In this fun and in depth hands-on experiment, learners test various liquid samples (distilled water, lemon juice, vinegar, and baking soda mixed with water) to determine their pH levels and identify e

In this outdoor activity/field trip, learners investigate the special shapes, holding structures and holding behaviors that real organisms use in streams, rivers, creeks or coast intertidal zones to a

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.

Water treatment on a large scale enables the supply of clean drinking water to communities.