Filtered water is an important part of the water system here in Berkshire County. The water we drink comes from a water treatment plant that first filters our water for big bulky things like leaves, branches and live animals such as fish and frogs. This is a filter with big holes. Next the water is filtered through a finer medium like sand and finally it is filtered through an even finer medium to remove even smaller particles.
Today the kids did some of their own experiments to see what would clean leaves and twigs out of water and then what worked best to remove dirt particles. They used, paper, cotton and filter paper. First one at a time, then in combination.