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CAGIS Clubhouse

Water Filtration

saturday, february 26, 2022

Although water covers 73% of the Earth’s surface, only 3% of it is fresh water.  Most of the Earth’s freshwater is frozen in glaciers, found deep underground, or otherwise inaccessible for use.  Luckily, water is a renewable resource!  Join us to make a water filter and learn about water contamination sources, the water cycle, and water filtration.

Preparation: two (2) clear plastic water bottles, at least two (2) kinds of filtering materials (soil, sand, gravel, uncooked pasta, marbles, etc), scissors, paper towels or rags, cheesecloth or gauze, rubber bands, spoon, dirty water (adding dirt to water or scooping up dirty snow and letting it melt), food colouring

Expert: Amira Aker has a PhD in public health and is currently researching exposure sources and health effects of per- and polyfluoroalkyl substances (PFAS) in Nunavik, Quebec.

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