Materials List: Water Filtration Project:
Make Your Own Water Filters

  • 1 liter of water prepared in advance with soil and sand in it until it is thin but relatively opaque
  • 3 test tubes prepared with the water standards "A," "B" and "C" (C is filtered through some grass, B is filtered through a coffee filter, and A is filtered through 2 coffee filters with a paper towel in the middle)
  • cotton balls
  • gauze squares
  • tulle/netting
  • tissue
  • paper towels
  • coffee filters
  • gravel (aquarium gravel works great)
  • sand
  • 3 test tubes per student
  • test tube racks
  • graduated cylinders
  • Design Components Worksheet