1SAS Questions #3,4,5,6,7 on page 23, and #1-4 on page 22

3a. Indirect water use.
3b. Direct water use.
3c. Direct water use.

4. To purify water, is to filter it from particles of many kinds that could effect the body, or make it clean enough for a living thing to drink or use for daily needs.

5. Oil Separation, Charcoal adsorption filtration, and Sand filtration

6. The oils were reduced more and more in each step of the foul water purification experiment.

7. The foul water lab today was used for filtering the still water. If we tried to use it on seawater, the water would be purified, yet it would still be salt water. To make seawater into pure water that one can drink, you would need to remove the salt some how for it to be safe to drink.



Pg. 22:


1. Washing a car, Swimming, Fountains.
2. Showering
3. I could take shorter showers to save more water, and learn to save water. Also, while washing my hands, I could use less water as well.
4. Another example of reusing water, is using the water that you shower with, to wash your car with, or  to mop the floor.