8C, 8D Science test on another blog entry. Will go live at 12:30pm on Tuesday
8C Math: Google sheet assignment, simple formula
- enter the following in a sheet and write formula to calculate the balance after all expenses and income
- you need to Google and find the expenses for each item (tuition, meal plan, TTC pass etc)
- You eat a Big Mac, a Starbucks latte, a Chipotle Bowl once a week. A school year includes 8 months or 32 weeks. Do your sheet data based on 32 weeks or 8 months (two university terms, Sept to April)
- you should be deep in the red (in debt) by the end of each school year. University students struggle financially
7D waste water treatment
Waste water treatments. Send me the doc by Friday Nov 28
https://www.youtube.com/watch?v=FvPakzqM3h8
Watch the video above and find the missing information in the worksheet below.
1) All wastewater in the city goes to a t___________________________ so it turns back into _______________________
2) It all starts when we flush the t______________
3) New York City has ___________ water treatment plants and they treat a total of __________ billion gallons each day
4) There are __________ water treatment plants in the USA
5) Step 1: The larger items, including w__________ and t________ are separated by b______ screens and they are trucked to the l________________
6) The main objective of pre-treatment of sewage water is to make sewage less c_______________
7) Step 2: The grit chambers let the s_________ and r_________ settle out, and there are _____ types of grit chambers: Horizontal, Aeriated, and Vortex
8) Step 3: Primary Clarifiers: the waste water (without solids, sand and rocks) then pump into the primary clarifier to remove all o____________ m__________
9) Afterwards, the top level of water flows into s______________ treatment
10) Step 4: Secondary treatment moves b___________ content and it creates thousands of b___________ in the aeration basins
11)Basically, in this stage, the process let the b__________ eats the organic food
12) During the aerobic digestion process, bubbles inject o__________ into the water and this breaks down the o____________ matters
13)Step 5: Secondary Clarifiers: this is the final removal of s________ and b__________ matters. It also involves d_______________ where 85% of the organic matters are removed
14)Disinfections: there are _______ ways to disinfect the waste water. Adding C_________, O________ or UV radiation.
15)Adding C_________ kills the bacteria and they are removed before discharging to the ____________
16)Pumping O__________ into the waste water will kill off the bacteria
17)17) Injecting UV radiation into waste water scramble the bacteria _________ so they cannot m______________
18)Effluent release: pumps treated water back into the ___________ and ___________
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