Give students a hands-on experience in the effects of pollution with this engaging lab activity! Students place eggs in "polluted" water (to represent those of amphibians and reptiles), and observe how it affects them. Students analyze the model and brainstorm ways that they can help animals from being affected by pollution.Materials needed:• Eggs (hard boiled)• Paper Towel• Cups or Beakers• Tape• “Pollution” Liquid (food coloring)• Water• Ruler or Tape MeasureI use this activity with 6th grader