Materials

www.wolfnet.com/.../ leaf?N=A



For this project you'll need:

  1. 6 jars with air tight lids
  2. labels
  3. marker
  4. 8 water plants
  5. 8 fresh water snails
  6. purified water
  7. aquarium sand
  8. pH test kit
  9. dissolved oxygen test kit
  10. 6 thermometers