The Hechinger Report – Tara García Mathewson
“Five groups of high school students worked around tables in Vielca Anglin’s science classroom on a recent afternoon at City-As-School in New York City. They had half-liter water bottles in front of them and a range of materials including pebbles, soil, rice, marbles, scouring pads and gauze. Their task: create a gravity-driven water filtration system that gets dirty water as clean as possible. It was up to them to decide what materials to use and in what order.”(more)