by Naomi White, Science Teacher, Jefferson High School, LAUSD
STUDENT HANDOUT Background and Information:
Water pollutants can be divided into four categories: chemical,thermal, organic, and ecological pollution. To demonstrate you will begiven a "water sample". This sample will be made up of colored dots. Eachcolor represents a different type of pollutant. Use the dots to make a bargraph. Use the pollutant sheet to label each column. Then, on the back ofyour graph, explain which pollutants were the worst. Give possible causes.Draw a map showing the water sample site and the location of possiblepolluters.
Map of Area
Los Angeles River Connection is a part of LAEP Learning Exchange.