Presentation is loading. Please wait.

Presentation is loading. Please wait.

Water Usage and Treatment. Where does the water that we use come from? Fresh water – lakes, rivers, streams, ground water Most water on the planet is.

Similar presentations


Presentation on theme: "Water Usage and Treatment. Where does the water that we use come from? Fresh water – lakes, rivers, streams, ground water Most water on the planet is."— Presentation transcript:

1 Water Usage and Treatment

2 Where does the water that we use come from? Fresh water – lakes, rivers, streams, ground water Most water on the planet is salt water. The saline content makes it poisonous to plants and animals.

3 Where does the water that we drink come from? Lakes Rivers Underground aquifers - area underground rock through which water can move.

4 Coagulation Chemicals are added to water to remove dirt. Dirt drops to the bottom

5 Sedimentation Large particles drop to the bottom

6 Filtration Water moves through filters like sand, gravel and charcoal to remove small particles

7 Disinfection A small amount of Chlorine is added to the water to kill microorganisms.

8 Storage Water is put in a closed tank or reservoir and runs through pipes to communities

9 How do we use water? Drinking Bathing Irrigation Industry

10 Is water renewable or non renewable? Water is a renewable resource (water cycle), but some areas have such a high need that water shortages can occur.

11 Potable Water Potable water is water that is safe for human consumption. In some parts of the world, people do not have water delivered to their home threw pipes. They must travel to get potable water.

12 Water supplies can become contaminated due to poor sanitation. This can lead to life threatening diseases such as cholera.

13

14 Desert Biome Map

15 Why is it a good idea to conserve water? What are some things that you can do to conserve water? What are some things that your family can do to conserve water? What are some things that our community can do to conserve water?

16 The water crisis http://thewaterproject.org/water_stats#stats Create a poster to inform students about the importance of water conservation.


Download ppt "Water Usage and Treatment. Where does the water that we use come from? Fresh water – lakes, rivers, streams, ground water Most water on the planet is."

Similar presentations


Ads by Google