Trash-ket ball: Water. W-1: SWBAT describe the distribution of water on Earth’s Surface Question 1: What percentage of the Earth’s Surface is covered

Trash-ket ball: Water

W-1: SWBAT describe the distribution of water on Earth’s

Surface• Question 1:

• What percentage of the Earth’s Surface is covered with water?

• How much of that water is fresh?


Surface• Question 2:

• Of the 3% fresh water on Earth, what percentage is available for human use?

• What is the location of the available water?


Surface

• Question 3:

• Provide three ways cities use surface water

W-2: SWBAT describe the relationship between surface water and ground water

• Question 4:

• What is the difference between a confined aquifer and unconfined aquifer?

• Be sure to include types of rock involved!


• Question 5:

• What is arrow A pointing to? Arrow B?

• Compare the porosity of zone A to that of zone B.

B

A


• Question 6:

• Provide the definition of permeability


• Question 7:

• What are the factors that affect the level of the aquifer?

W-3: SWBAT explain how water is treated so that it can be used for drinking.

• For the following questions, provide the name of the step that is being described.

• Bonus Point: Provide which number step it is.


• Question 8:

• Layers of sand, gravel, and hard coal filter remaining impurities.

• What process comes directly after this?


• Question 9:

• Unwanted gases that causes odors and reduces tastes are removed

• What step comes directly before this?


• Question 10:

• Flocs are formed. Bacteria and other impurities cling to the flocs, which later settle to the bottom of the tank.


• Question 11:

• Define potable

W-4: SWBAT describe how dams and water diversion projects are used to manage fresh

water resources.

• Question 12:

• Explain the relationship between dams and reservoirs.


water resources.

• Question 13:

• What are three positive effects of diverting or stopping the flow of river water?


water resources.

• Question 14:

• What are three negative effects of diverting or stopping the flow of river water?


water resources.

• Question 15:

• How does desalination work?

• What is one major drawback?

W-5: SWBAT compare and contrast point source and non-point source pollution

• Question 16:

• What are the two major causes of water pollution?


• Question 17:

• What is the difference between point source and non-point source pollution?

• Bonus: Which one is harder to clean up and why?


• For each of the following examples, categorize the pollution as point source or non-point source pollution


• Question 18:

• A plastics manufacturer dumps chemicals into a nearby creek.


• Question 19:

• Household chemicals are flushed down the drain of a sink or toilet.


• Question 20:

• While in a boat, Reyes tosses his plastic cup into the lake.

W-6: SWBAT describe various causes of water pollution and their related consequences

• Question 21:

• What is artificial eutrophication and what are some of the causes?


• Question 22:

• Describe the source of most ocean pollution, is it point-source or non-point source?

W-6: SWBAT describe various causes of water pollution and their related

consequences

• Question 23:

• If the concentration of gasoline is 3 ppm in 650,000 L of water, how many liters of gasoline are there in the water?


• Question 24:

• What percent of ocean pollution comes from activities on land?


• Question 24:

• What is biomagnification and why is it harmful to humans?

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Trash-ket ball: Water. W-1: SWBAT describe the distribution of water on Earth’s Surface Question 1: What percentage of the Earth’s Surface is covered