VOCAB Title a clean piece of paper in your Notebook: “Water Quality” Define the following key term: • Water quality – observations and measurements used to describe the health of a water system • Potable Water- water that is safe to drink • Safe water- water which can be used for bathing or cleaning.
Water Water is AWESOME • Necessary for our survival • Makes up 72 percent of our bodies • Helps grow our food • The earth is the way it is because of water • When looking for life on other planets, the first thing we do is look for liquid water or evidence of liquid water once existing
Globalization: Cholera outbreak in Haiti ABC News Video Clip After viewing the above video clip, respond to the following questions in your notebook forum: • Why is the quality of our drinking water important? • Could this sort of outbreak happen in North Carolina? Why or why not? • Why do these types of diseases typically occur in under-developed countries? • Could this problem spread to areas in the United States? Why or why not?
Lifestraw • Straw with a filter build in • Extracts 99.9% of bacteria and pathogens • Makes the dirtiest water clean to drink • Works for 1000 liters of water • $22.95
WATER QUALITY Six Main Indicators of Water Quality: • Temperature • Dissolved Oxygen (DO) • pH • Nitrates • Turbidity • Bio-indicators
Give Me Five • Trace your hand and fill-in the following information: • PALM – Define water quality in your own words • THUMB – What do you think is the biggest problem with water quality? • FOUR FINGERS – Four factors that affect water quality