Water Created by Educational Technology Network. www.edtechnetwork.com 2009

Water use and conservation 3 Definitions 1 Pollution types 2 Water use and conservation 3 How much water? 4 Potpourri 5 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

Topic 1 – 10 Points QUESTION: ANSWER: Define runoff Water that moves across the ground

Topic 1 – 20 Points QUESTION: ANSWER: Define infiltration When water passes through the soil

Topic 1 – 30 Points QUESTION: ANSWER: Define recharge When water seeps into the ground to refill the aquifer

Topic 1 – 40 Points QUESTION: ANSWER: Define Water table The top of the aquifer

Topic 1 – 50 Points QUESTION: ANSWER: Define Well When you drill into an aquifer to release water

Topic 2 – 10 Points QUESTION: ANSWER: What is sediment pollution? Pollution created by soil erosion when the soil enters the water

Topic 2 – 20 Points QUESTION: ANSWER: What is thermal pollution? The human caused change in water temperature

Topic 2 – 30 Points QUESTION: ANSWER: Define point source pollution When you can see pollution from a specific location, you can point to the location of the pollution

Topic 2 – 40 Points QUESTION: ANSWER: What type of pollution is bacteria and viruses? ANSWER: biological pollution

Topic 2 – 50 Points QUESTION: ANSWER: Define non-point source pollution ANSWER: Pollution from a many sources such that you can not determine specifically where the original source is

Topic 3 – 10 Points QUESTION: ANSWER: How can agriculture conserve water? ANSWER: Install drip irrigation, use climate appropriate plants

Topic 3 – 20 Points QUESTION: ANSWER: What are the two methods Arizona uses to manage it’s water supply? ANSWER: Dams to store water and canals to transport water

Topic 3 – 30 Points QUESTION: ANSWER: From greatest to least, rank the primary uses of fresh water around the world. ANSWER: Agriculture, industrial, personal

Topic 3 – 40 Points QUESTION: ANSWER: What is the main troubles associated with using ground water? ANSWER: We take it out of ground faster than it can be recharged (replaced)

Topic 3 – 50 Points QUESTION: ANSWER: Human activities that clear large areas of land and increase erosion contribute directly to what type of pollution? ANSWER: Sediment pollution

Topic 4 – 10 Points QUESTION: ANSWER: Groundwater is primarily used for what purpose? ANSWER: irrigation

Topic 4 – 20 Points QUESTION: ANSWER: In the United States, most of the fresh water we use—about 74 percent of it—comes from where? ANSWER: Surface water (rivers, lakes)

Topic 4 – 30 Points QUESTION: ANSWER: How much water is in the ocean? 97%

Topic 4 – 40 Points QUESTION: ANSWER: Which household activity uses the most water? ANSWER: Flushing the toilet

Topic 4 – 50 Points QUESTION: ANSWER: What percentage of Earth’s water is in ice caps and glaciers? ANSWER: 2%

Topic 5 – 10 Points QUESTION: ANSWER: Why did the Aral Sea disappear? The rivers that fed the lake were diverted to grow cotton; with no water coming in and evaporation both devastated the lake

Topic 5 – 20 Points QUESTION: ANSWER: From human activities on land Where does most of the oil pollution come from that is in the ocean? ANSWER: From human activities on land

Topic 5 – 30 Points QUESTION: ANSWER: Diagram the major steps of cleaning waste water/drinking water treatment process. ANSWER: Sedimentation/settling flocculationfiltrationaeration so bacteria can eat wastechlorination

Topic 5 – 40 Points QUESTION: ANSWER: Nitrogen and phosphorus Which nutrient is usually responsible for causing eutrophication in fresh water? ANSWER: Nitrogen and phosphorus

Topic 5 – 50 Points QUESTION: ANSWER: Harmful algal blooms are a result of what type of pollution? Daily Double: answer this as well for extra points: What is the name for this algae bloom? ANSWER: Nutrient/Eutrophication