NASA has educational products to supplement your lessons as you create a multimedia product about recycling.

The Cleaning Water Activity is a lesson in which students build a water filtering system from a 2-liter plastic bottle and then test its efficiency. This lesson is also available in Spanish.

The Environmental Control and Life Support Systems Water Filtration Challenge is an educator guide with background information and activities. The purpose of the guide is for students to learn about the space station ECLSS that purifies waste water. Groups of students build and test water filtration systems made from 0.5-liter water bottles. As a class, students use ideas from the best water filters to create a classroom design.

For more resources, refer to the Waste Limitation Management and Recycling Design Challenge. This guide has background information about the properties of water, the water cycle and the ECLSS. The purpose of the guide is to be a starting point for students to "begin researching and answering the challenging questions of how to maintain human habitations on the moon and other planets in our solar system."

Students are offered five activities to try different methods of water filtering and purification. The design challenge section has students design and test a complete water recycling system based on the methods they’ve already tested.

DIY Podcast: Recycling

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