Search Results

How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?

Millions of organisms can live in and around a body of water.

In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.

In this outdoor, beach activity, learners use tennis balls, water balloons and other simple devices to investigate the movement of waves and currents off a sandy beach.