Water Purification

Make a splash with young scientists as you teach them all about water using this activity packet. Thirstin, a cartoon glass of water, walks children through the water treatment process, teaches them about different sources of water, and...

Curious physical scientists follow a lesson on the properties of water with this lesson on distillation. They observe a miniature water cycle model that filters dirty water into clean water. These two lessons combined are an enriching...

Scholars build a simple filtration system to remove impurities from muddy water and rate the filtered water to a grade of clarity scale. The focus is on teamwork and problem solving. This instructional activity would be effective in your...

Learners use litmus paper to begin to discover the qualities of acids and bases. They learn about pH by testing clear liquids for acidity with purple cabbage juice as an indicator. The video Streamkeeper, with Bill Nye, and other video...

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...

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...

Learners build a water filtration system. In this water quality lesson plan, students work in groups to construct water filtration units that can purify contaminated water. This lesson plan is part of a larger unit on water quality.

Fifth graders study the impact of human activity on water quality and on the ecosystems of Earth. After a discussion on the various ways that water can be polluted, groups of youngsters get together to figure out the best way to clean a...

Students advocate for clean water.  In this water pollution lesson, 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...

How is it that water that falls as rain ends up coming out of the tap on our sinks? Learners trace water's journey and examine how along the way pollutants make their way into the water supply. They conduct experiments, use the Internet...