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