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...
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
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...
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
The Hydrologic (Water) Cycle
Learners construct a model of the hydrologic cycle, and observe that water is an element of a cycle in the natural environment. They explain how the hydrologic cycle works and why it is important, and compare the hydrologic cycle to...
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
The Water We Drink
Third graders relate that the quality of their drinking water is subject to the condition of the environment and water found in streams and creeks in their community. They track the travel of a wad of paper from a student's desk to a...
Curated OER
Bacteria in Drinking Water And Water Purification
Students explore how sewer systems can contribute to water pollution and perform an experiment to see how well a water purification technique can protect against water-born microbial illnesses. They compare the bacterial growth from...
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
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 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
As an example of nature's water filtering system, young ecologists conduct an experiment in the lab. They construct a funnel out of a plastic bottle, fill it with specified layers of materials that simulate layers of soil, then run muddy...
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...
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
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.
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.
Curated OER
How To Get Clear on Water
Tenth graders experiment with a variety of methods to purify water. They study water purication issues and systems that other countries use.
Curated OER
Water Pollution
Get your scientists engaged in both recall and life application responses after reading a selection from a McGraw Hill science text (not included). Based on chapter 14, this water pollution worksheet has students review where water...
Curated OER
A Study of Your Domestic Water Supply
Students create a diagram that traces the path of a raindrop from its source into the water supply for their house and back to the environment. They also diagram the processes that occur in a sewage treatment and water treatment plant.
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...
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
What happens to water before we use it?
Students examine how water is treated prior to becoming available for human consumption. In this water treatment activity, students conduct an experiment in which they filter water. Students formulate a hypothesis, test, analyze data,...
Curated OER
How To Get Clear On Water
Tenth graders investigate different systems that are used to purify water. They have class discussion about the benefits and challenges that different countries would face with the implementation of the systems. Students explain the...
Curated OER
Ecosytems: Water Purification
Students explore how ecosystems purify water and what kinds of things humans do that alter these processes. They use a website to access information on local watersheds and develop a "river" newspaper