Learn about the threat of lead in drinking water and what actions you can take to prevent or deal with exposure.

Discusses many options of water treatment, the contaminants that the treatments are focused on, how the treatment works, and common treatment systems.

Students create a water purification system, and test it out to see how well it works to purify a water sample.

Get an overview of how water is treated in order to be safe to use and drink.

How does our climate affect us? How do we decide what to wear each day? What factors determine if our clothing choices are comfortable? What is the source of our water? Students explore characteristics that define climatic regions. They...

Between 70 and 75% of the Earth's surface is covered with water and there exists still more water in the atmosphere and underground in aquifers. In this lesson, students learn about water bodies on the planet Earth and their various uses...

In this activity, students build a water filter with activated carbon, cotton and other materials to remove chocolate powder from water.