This EDITABLE resource, "Water Testing Lab" includes a hands-on task for students to learn about how to test various water samples based on their turbidity, pH level, density, and hardness. You will need pH paper, small pieces of dowel, and a pre-made diluted soap solution (I dilute dish soap with water), graduated cylinders, and four different water samples. It can be aligned with any grade you see fit based on your curriculum but I use it with the Ontario Science Curriculum for Understanding E