Search Results

In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.

In this activity, learners receive a labeled plastic film canister containing a material representing a pollutant (i.e. pencil shavings = a beaver's wood chips).

Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.

In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day.

In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.