Teach Engineering
Water Remediation Lab
Water filtration — that's pure genius! Groups test the ability of a water filter to purify water by running chlorine contaminated water through a filter and measuring the chlorine concentrations as they filter the water. They then graph...
Curated OER
Wetlands in a Pan
Fifth graders explore the wetlands to discover its benefits in removing pollutants in the water. In this wetlands lesson, 5th graders discuss how stormwater wetlands are created to purify water. Students test the water.
Curated OER
Water Alchemy
After reading "Aquatic Alchemy," an article about recapturing water for reuse when in space, your class will use calcium hydroxide or hydrated lime to purify cloudy water. Geared toward high school chemistry or environmental science...
US Environmental Protection Agency
Water Purification by Evaporation and Condensation
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...
Curated OER
Drinking Water and Water Purification
Sixth graders design experiments to compare the amount of bacteria in river water to the amount in purified tap water. They explore how water purification removes bacteria and pollution from the water. Students examine the steps of the...
Curated OER
Building A Solar Still
Learners investigate the water cycle by viewing an online video. In this drinking water lesson, students create solar stills at their campus in order to purify water that is tainted. Learners view a video on their computers about...
Curated OER
Purification of Water
Students study the process of water purification and explain why it was important to treat it. In this water purification lesson students purify drinking water and explain the factors that affect water quality.
Curated OER
Make a Solar Sill
Students design a solar still and purify water. For this earth process and design lesson, students observe how the heat of the sun helps to purify water. Students analyze why this could be helpful on a desert island. Students record...
Curated OER
Survival Still
Lead your class to construct a solar still on campus to demonstrate how water can be extracted from the soil. The power of solar energy is emphasized, as is the concept of how capillary water can be recovered and purified by using a...
Province of Manitoba
The Outdoors Camping and Survival Skills
Equip young campers with the tips and strategies for a safe trip to the outdoors with a series of lessons. They learn how to start fires with and without firewood, keep warm in snowy weather, and purify water to make it safe for drinking.
Chicago Botanic Garden
Introducing Ecosystem Services
Purifying air and water, providing soil in which to grow crops, and moving water through its natural cycle are all services an ecosystem provides that benefit humans. Lesson four in a series lets learners explore and discuss the value of...
Curated OER
Water Filtration
Students demonstrate the four of five procedures that municipal water plants use to purify water for drinking. A water filtration system is designed by a student and their partner. A data chart is made to record all observations when the...
University of Georgia
What's So Special about Bottled Drinking Water?
Is artesian water designed to be better, or is it just from wells similar to those in the city of Artesium? This experiment looks at many different types of bottled waters, including artesian. Using a soap mixture, scholars test to see...
Curated OER
T-Shirt Chromatography
Students study about chromatography, a process used to separate mixtures. They see that chromatography is used to detect, separate or purify different substances. This nice lesson results in a beautiful t-shirt for each student!
Curated OER
Water Filtration Competition
Learners design water filtration systems. They draw sketches and write paragraphs about their systems. After presenting their systems to the class, each group then builds their system and determines its effectiveness for purifying...
Curated OER
Water Quality: Water Filtration
Students build a water filtration system. In this water quality activity, students work in groups to construct water filtration units that can purify contaminated water. This activity is part of a larger unit on water quality.
Curated OER
Water, Water Everywhere and Not a Drop to Drink
Students identify the different stages in the water cycle. In this environmental science instructional activity, students research about different water pollutants in watershed. They describe ways to purify water.
Curated OER
Water: Our Most Important Beverage
Third graders complete a KWL chart on what they already know about water and what they want to know. As a class, they participate in an activity in which they discover the amount of drinkable water on Earth and are introduced to the...
Curated OER
Mock-Muck
Students purify water samples using various techniques. In this water treatment lesson, students complete a variety of activities to learn about the process. A data chart is included for recording results. A crossword puzzle is included...
Curated OER
Pollution in the Air and the Water Pollution Solution
Students explore air pollution. For this ecology and air pollution lesson, students perform an experiment in which a Vaseline coated lid is placed inside and outside the classroom. Students make predictions and then record what they see...
US Department of Energy
Solar Distiller
Explore the sun's ability to distill contaminated water with this simple set of classroom experiments. After filling two glass bowls, one with muddy water and the other with salt water, they are covered with plastic wrap and placed in...
Curated OER
Water Filtration Challenge
Students create an all-natural water filtration system. In this lesson on natural water filtration, students build upon prior knowledge to build a filtration unit made of plants, soils, sand, pebbles and rocks that can purify...
Curated OER
Water Filtration
Students explore, analyze, study and demonstrate the procedures that municipal water plants may use to purify water for drinking. They cover the clean water processes of aeration, coagulation, sedimentation, filtration and disinfection.
Curated OER
Rain Machine (Solar Still)
Students experiment with a solar still. In this distillation lesson plan, students find a simple way to use evaporation to make salty water drinkable.