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Cleaning Water Activity

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Grade Levels

Grades K-4, Grades 5-8


Engineering Design, Life Science, Spanish, Living and Working in Space


Lesson Plans / Activities

This lesson will help your students answer the question:
What can I do to make clean water?
In this lesson, students will
– Design and build their own water filtering system.
– Collect data to compare water before and after filtering.
– Develop a conclusion based upon the results of this experiment.
– Compare individual results to class results to look for patterns.

Cleaning Water Activity
For educators [722KB PDF file] en español
For students [315KB PDF file] en español

The Cleaning Water Activity is the lesson that accompanies Where Would a Space Explorer Find Water and Oxygen?, one of the topics in the 21st Century Explorer series.

Also in this series:
Those Who Have Come Before Me Activity
Food For Spaceflight Activity
Get a Leg Up Activity
Speed It Up Activity
Designing a Crew Exploration Vehicle Activity
What’s Hidden Inside Activity
Moon Mining Activity
Let’s Investigate Mars Activity
Making Regolith Activity
Ray Shielding Activity
Cool Suits Activity