Give each group a pan, water, and a rock. Each group will create their assigned environment. Plastic boats, small toy animals and birds can be added if the group wishes. In the farm pond environment, the teacher adds a dropper full of oil to the farm pond. Students may add other cleanup materials as approved by the teacher.
Students can speculate on the best cleanup materials.
Students need plastic gloves to protect themselves. Students are given the materials to test and rate their effectiveness. Add the group results to the Effectiveness Chart . Upon completion of the chart, students are to answer the questions at the bottom of the chart. The Effectiveness Chart and the follow-up questions will be collected and checked for completion.