Students will experiment with different types of water pollution to see first hand how pollution affects water. Students will begin to develop an understanding of the economic impact of water pollution. Students will develop a water filter diagram to demonstrate the difficulties associated with cleaning polluted water.
Price tags for filter materials for Lesson 6 of Operation Water Pollution. Price tags for 2 litre pop bottle, 1 cup fine sand, 1 cup coarse sand, 1 cup fine gravel, 1 cup coarse gravel, 1 cup activated carbon, 1 cotton ball/piece of cotton batting, 1 piece of cheese cloth/coffee filter, 1 rubber band, and 1 clear cup.