Big Ideas | Page 46

Standards Connections Next Generation Science Standards SCIENCE AND ENGINEERING PRACTICES SAMPLE STUDENT ENGAGEMENT, GRADES 3–5 Asking Questions and Draw a map of your street or neighborhood and identify possible sources of water pollution. For reference, see the EPA’s webpage “Nonpoint Source Pollution for Kids” at water.epa.gov/polwaste/ nps/kids/index.cfm. Discuss things people can do to keep our water clean. Defining Problems Obtaining, Evaluating, and Communicating Information 46 Research practical ways that households can save water and energy and use them efficiently, and create a booklet or brochure that conveys that information to the public. For ideas, see the San Francisco Public Utilities Commission’s “Energy Efficiency Tips,” available at www.sfwater.org/energyefficiencytips. CROSSCUTTING CONCEPTS SAMPLE STUDENT ENGAGEMENT, GRADES 3–5 Structure and Function Find out what should and should not be flushed down toilets, and discuss what would happen in the sewer system if certain things are flushed. For information, see the San Francisco Public Utilities Commission’s “Toilets Are Not Trash Cans” at www.sfwater.org/trashnottoilets. Cause and Effect Create a comic strip that identifies human behaviors that affect the quality of our water and energy and the subsequent influences on the health of humans and other living beings. BIG IDEAS | Grades 3–5 | SAN FRANCISCO PUBLIC UTILITIES COMMISSION