Is Dilution the Solution to Pollution?

This easy-to-perform demonstration shows students how the water cycle, specifically the processes of condensation and evaporation, purifies Earth's water supply. Just mix up some water, dirt, and gravel in a glass bowl, place a cup in...

Investigate the different types of pollution that storm drain runoff carries into oceans, lakes, rivers, and streams with this class demonstration. Using an aquarium and an assortment of everyday items that contaminants like motor oil,...

Investigate the amazing ability of plants to filter contaminants from water with this series of in-class demonstrations. After placing six small, potted plants in plastic cups, different solutions and mixtures are poured into them that...

An introductory lesson to a unit on water pollution, young environmentalists are asked to brainstorm examples of pollutants in water. This lesson will help develop a sense of what water pollution is and where the pollutants come from.

From their sweat to the water vapor in their breath, astronauts recycle every possible drop of water while in space. After watching a short video describing the different ways materials are recycled and reused in space shuttles, young...

Young environmentalists examine how water bottle use is polluting the waters on our earth. In groups, your learners study the handout on their assigned topic and present their findings to the rest of the class. Leading up to this lesson,...

Nanofibers can be made through electrospinning or force spinning in order to reduce the negative impact on the environment. Pupils study the role of fibers and dye on the environment through a series of five hands-on activities. Then,...

How do scientists determine the best method for removing pollutants from our water sources? Environmental scholars experiment with pollution clean-up options to discover which are the most cost-effective, fastest, and most thorough....

Learners advocate for clean water.  In this water pollution activity, students play the Peace Corps Challenge Game, discuss the effects of polluted water and write a letter to the mayor of Wanzuzu highlighting the situation of the fish's...

Students differentiate between point and non-point pollution and determine how the different types of pollution are harmful to aquatic ecosystems. They complete a series of tests on a sample of "polluted" water and a sample of "pure" water.