water resources
DESCRIPTION
Water resources ppt for fourth graders.TRANSCRIPT
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Water Resources
How do people use water resources?
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Your water use
Think about the last week. How have you used water? Make a list of your ideas.
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Water Resources
• Daily use• Recreation• Energy• Agriculture
People use water for many purposes! Today, we’ll focus on four main categories:
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Water Resources
• Daily use• Recreation• Energy• Agriculture
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Water for daily use
Drinking water
In rural areas, people get drinking water from underground wells.
In larger cities, people use reservoirs to store drinking water.
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Water for daily use
People use drinking water for many other purposes, including washing and bathing.
In fact, the average person in the United States uses 80-100 gallons of water per day!
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Water for daily use
To conserve something means to save it.
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Water for daily use
Why is it important to conserve drinking water?
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Water Resources
• Daily use• Recreation• Energy• Agriculture
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Recreation
Recreation is what people do for fun and leisure
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Recreation
What are some recreational uses of water?
Swimming
Boating
Fishing Tourism
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Recreation
Swimming
We can use drinking water to fill up our pools…
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Recreation
Swimming
Or swim in bodies of water like lakes and oceans!
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Recreation
People can use large boats…
Boating
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Recreation
…or small ones
Boating
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Recreation
Fishing
People enjoy fishing in lakes, rivers, and streams
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Recreation
Fishing
People enjoy fishing in lakes, rivers, and streams
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Recreation
Tourism
Tourism is the business of having people visit an area.
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Recreation
Tourism
Why might people use water resources for tourism?
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Recreation
Tourism
Have you ever visited a location near a body of water?
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Recreation
How do people use water resources for recreation? Explain at least two examples.
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Water Resources
• Daily use• Recreation• Energy• Agriculture
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Energy Water has great power! As it moves
downhill, it can be used to supply energy.
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Energy Water has great power! As it moves
downhill, it can be used to supply energy.
For thousands of years, people have used water’s power to run water mills.
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Energy Today, water is used to power turbines. Turbines
are huge engines that convert water power to electricity.
turbines
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Energy
Hydroelectric power plants convert water power to electricity
This is Ice Harbor Dam on the Snake River. Water is stored in a reservoir. Then, it passes through the dam, where it powers the turbines.
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Energy
Here is a picture of Conowingo Dam on the Susquehanna River. 22% of the electricity in PA is generated from hydroelectric power.
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Energy
What have you learned about water and energy? Talk about it with your group!
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Water Resources
• Daily use• Recreation• Energy• Agriculture
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Agriculture
For centuries, people have used the rain to provide water for crops.
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Agriculture
We need water to help us grow our food!
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Agriculture
Water is also used for animals.
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Agriculture
In places that don’t get enough rainfall, farmers use irrigation to water the crops.
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Agriculture
Sometimes, irrigation canals bring water over long distances.
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Agriculture
There are many different ways to irrigate crops.
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Agriculture
Why is water important for agriculture?
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Water Resources
• Daily use• Recreation• Energy• Agriculture
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Review
When people are on a boat, how are they using water resources?
A.Daily useB.RecreationC.AgricultureD.Energy
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Review
When people are on a boat, how are they using water resources?
A.Daily useB.RecreationC.AgricultureD.Energy
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Review
When farmers water crops, how are they using water resources?
A.Daily useB.RecreationC.AgricultureD.Energy
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Review
When farmers water crops, how are they using water resources?
A.Daily useB.RecreationC.AgricultureD.Energy
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Review
If you use water to wash clothes, you are using water for….
A.Daily useB.RecreationC.AgricultureD.Energy
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Review
If you use water to wash clothes, you are using water for….
A.Daily useB.RecreationC.AgricultureD.Energy
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Review
Turbines convert water power to electricity. This is an example of using water for:
A.Daily useB.RecreationC.AgricultureD.Energy
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Review
Turbines convert water power to electricity. This is an example of using water for:
A.Daily useB.RecreationC.AgricultureD.Energy
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Water Resources
Go back to your list of how you use water resources. What can you add? What have you learned?