Term
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Definition
| Water is made up of 2 hydrogens and 1 oxide |
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Term
| What percent of the earth's water is fresh |
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Definition
| 2.5 percent but only 0.4 is availiable |
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Term
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Definition
- Has more solute in the solvent then lakes
-Desalination is the process of removing salt from water to purify it
-Salt is more dense
- By evaporating the water |
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Term
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Definition
- The precipitation falls onto the ground which creates runoff that goes into the lakes and ground
- When the water melts from evaporation the vapor goes back into the clouds |
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Term
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Definition
| Water goes through a screen the add chemicals the a tank and they add alum to create floc to clean the water that another tank and more chemicals |
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Term
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Definition
| If the water is clear colorless and odorless t it not always safe to drink because it can still have micro organisms |
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Term
| Difference between grey and black water |
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Definition
Grey water
- water that was used for cooking,laudry,cleaning
Black water
-Water used in toilets with feces and urine |
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Term
| Difference between sewer drain and a storm drain |
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Definition
| Sewer drains carry feces and urine underground in pipes to a sewage factory. Storm drains catch perciptation and diffrent things from the street |
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Term
| How can contaminats get into surface water and groundwater |
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Definition
-Surface runoff fertilizers from different farms in the city is harmful because it can create more nitrates and the plants will take all the oxygen which causes dead zones
- Groundwater can be contaminated by different minerals on the way it goes down to the aquifer |
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Term
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Definition
Causes water to move in different direction
-the land rose |
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Term
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Definition
| is artificially changing the temperature of the water |
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Term
| How different chemicals can enter waterways |
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Definition
-Chlorine can enter from soil and from different factories
- Nitrates come from fertilizer runoff
- Acid can enter from the enter acid rain and chemicals from factories
-Calcium enters from dissolved rocks |
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