NASA
Cleaning Water
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...
Chymist
Testing the Waters
Should you trust the water you drink every day? The hands-on activity has scholars test water from different sources for contaminants. Pupils perform chemical testing and make conclusions about pH, hardness, iron, chlorine, lead, and...
Curated OER
Determination of Phosphorus Content in River Water
Divide your chemistry or environmental science class into two groups. Each group tests water samples from a river for the concentration of phosphorus using a different method. With chemists, you can use this activity as they learn to use...
Kenan Fellows
Making Connections with Water Quality
What's in your water? And, why is water quality so important? Enhance your class's level of water appreciation through a lesson plan that demonstrates the necessity of water quality. Environmental enthusiasts explore the EPA's Clean...
Curated OER
Is It Safe to Go In? Water Quality of Bathing Areas in the EU
Using your senses, apprehend the effects of contaminants in water. With a global focus, young scientists conduct a safe experiment by tasting sugar and salt water with different dilutions. After reviewing threshold limits, learners write...
DiscoverE
Water Pollution Cleanup
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....
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...
May Media Group
Treatment Plants
Young scientists explore nature's water treatment plants in this simple science demonstration. By placing a stalk of celery in a cup of water mixed with food coloring, children are able to observe how plants absorb nutrients and...
Kenan Fellows
Sustainability: Learning for a Lifetime – The Importance of Water
Water is essential for life—and understanding the importance of clean drinking water is essential in understanding sustainability! Show your environmental science class the basics of water testing and treatment through a week-long...
SRI International
Fine Filters
Need to know where your class' knowledge stands? Use these pre- and post-tests to determine your learners' knowledge about nano membranes and nano filters in relation to the filtering of water, specifically contaminated water.
Curated OER
WET Science Lesson #11: How Light Affects Water
Scientists listen to the story of Wadja Egnankou who works to save African mangrove forests. They experiment with refraction and the introduction of particulate matter to water. They conclude with creative writing about the need for a...
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
Testing Your Water
Students perform several water quality tests on groundwater from their area. They use test strips to determine the pH, hardness, alkalinity, nitrates, iron and chloride levels.
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
Filtering Water to Prevent Pollution
Students explore techniques used to filter water and different pollutants. In this prevention of water pollution lesson plan, students define water pollution and list ways water is polluted. They explore water purification and complete a...
Curated OER
Water Works
Young scholars investigate water use and what happens at a water treatment plant. They define and discuss key vocabulary terms, view a diagram of a water treatment plant, and conduct an experiment that simulates the water filtration...
Curated OER
The East Fork Project
Students identify possible sources of health risks, types of exposures, routes of exposure, and populations that could be affected after discussing water pollution and environmental health hazards. After discussion, students conduct a...
Curated OER
Testing Bangladesh's Waters
Students assess the causes and effects of massive arsenic contamination in the water supplies of 43 of Bangladesh's 64 districts. They evaluate why this contamination occurred, and how it affects the population of Bangladesh.
Beyond Benign
SLS Toxicology Test
Ingredients in your shampoo are toxic enough to kill plants. The 16th installment of the series of 24 tests the toxicity level of various concentrations of SLS, a chemical found in nearly all shampoo. Learners prepare percent solutions...
Curated OER
What's in My Water, and How Did it Get There?
Students analyze water samples to see the contaminants and then use the Internet to find the sources of the contamination. In this investigative water lesson students analyze water and work together to solve the mystery of contaminants.
Curated OER
Testing Water Quality
In this science worksheet, students test the quality of water taken from a local source and test it in a lab for the ingredients present.
Curated OER
Food Safety Lab-Part 3 Cross Contamination andHygiene
High schoolers observe the effect of croos contamination as they inoculate orange juice with penicillin mold from the refrigeration lab and active yeast solution from the sterilization lab. They experience a simulation of passing...
Teach Engineering
Red Cabbage Chemistry
Using the natural pH indicator of red cabbage juice, groups determine the pH of different everyday liquids. As they work, pupils gain an understanding of pH that may help deal with contaminants in the water supply.
Teach Engineering
Density Column Lab - Part 2
Groups suspend objects within layers of liquids to determine the densities of different liquids and compare them to the densities of objects calculated in Part 1. The groups then carefully test their calculations by layering the liquids...