In this activity, students demonstrate how substances are dissolved and transported by water through the soil.

By the end of this activity, students should be able to:

  • demonstrate the leaching of a substance through sand (soil)
  • explain how irrigation and rain can affect nitrate and phosphate leaching.

Download the Word file (see link above) for:

  • introduction/background notes
  • what you need
  • what to do
  • discussion questions
  • student handout.
    Published 30 July 2013