TeachEngineering
Teach Engineering: Straining Out the Dirt
In this activity, students build a water filter with activated carbon, cotton and other materials to remove chocolate powder from water.
TeachEngineering
Teach Engineering: From Lake to Tap
In this activity, students will use a tutorial on the U.S. Environmental Protection Agency's website to learn about how surface water is treated to make it safe to drink.
BBC
Bbc: Gcse Bitesize: Separation and Purification
There are different ways to separate mixtures, for example by filtration, crystallization, distillation, or chromatography. The method chosen depends upon the type of mixture.
![Earth Care: Filter It Down [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Earth Care: Filter It Down [Pdf] Lesson Plan")
Better Planet Productions
Earth Care: Filter It Down [Pdf]
Students will investigate how different materials filter water and learn about water treatment.
TeachEngineering
Teach Engineering: You Are What You Drink!
Contamination in drinking water sources or watersheds can negatively affect the organisms that come in contact with it. The affects can be severe - causing illness or, in some cases, even death. It is important for people to understand...
PBS
Pbs Design Squad: Lead Detecting Device
See how a design of a cheap and portable device can find lead in water.
TeachEngineering
Teach Engineering: Is It Safe to Drink?
In this activity, the students will conduct an investigation to purify water. Students will engineer a method for cleaning water, discover the most effective way to filter water, and practice conducting a scientific experiment.