Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

8-1 Tests, Quizzes, Check-Ins & Unit Tests > Science Again Unit 1 > Flashcards

Science Again Unit 1 Flashcards

1
Q

What are the three categories of water contaminents?

A

Biological, Chemical, Physical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the definition of biological contaminents

A

They are both visible & miccroscopi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Definition of Chemical contaminnents

A

dissolved substances that come from natural proccesses or human activity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Definitions of physical contaminents

A

All materials that do not dissolve in water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What Are the 8 sources of water contamination

A

Leakage, Urban Runoff, Landfills, Mining, Pesticides, Industrial Waste, Radioactive Waste, animal waste/fertilizer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

contamination causes leakage

A

Chemical & Wastewater storage causes frequent leaks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Urban Runoff contamination causes

A

A use of chemicals, oil and gasoline contributes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Landfills contamination causes

A

Plastics, printer ink, medication battery acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

MIning contamination causes

A

Fracking from the mining industry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Fracking Definition

A

Waste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Pesticides contamination causes

A

The chemicals can cause cancer & Death (DDT)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Industrial Waste contamination causes

A

Industrial waste is waste in factories cooperations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Radioactive waste contamination causes

A

When water is polluted with radiation it kills fish almost immediately

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Animal Waste/Fertilizer contamination causes

A

The Buildup of ammonia & Nitrates lead to nutrient pollution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the 4 steps of Water treatment Plants

A

Coagulation & Flocculation, Sedimentation, Filtration, Disinfection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Definition of Coagulation & Flocculation

A

When chemicals called coagulants (Flocc Particles) mix with water in flocculation basin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is removed in Coagulation and Flocculation

A

Flocc Particles, sludge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Definition of Sedimentation

A

Sediments fall to the bottom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is removed in sedimentation

A

Sand Bacteria & Materials

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Filtration definition

A

Sand filter, and active carbon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What does active carbon do

A

Improves taste and odor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is removed in filtration

A

Bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Disinfection Definition

A

Chlorine, ozon, (giant britta filter), UV rays

24
Q

What happens in disinfection

A

Chlorine UV & Ozone treatments are used

25
Q

6 Steps of Waste water treatment

A

Bar screening, Aerated Tanks, Sedimentation Tanks, Trickling Filter, Solids Contact Tanks, Secondary CLarifiers

26
Q

What steps are in Primary? What steps are in Secondary

A

Primary=1-3, Secondary 1-6

27
Q

What is removed in bar screening

A

Solid debris is removed form waste water. Large materials & Grit are settled out

28
Q

What happens in Aerated Tanks

A

Sand & Grit is settled out. Oils are skimmed and sludge is settled out

29
Q

What happens in sedimentation Tanks

A

Floating & Setting Fat & Oil float to the surface heavy organic materials settle to the ground bacteria consume organic materials

30
Q

What happens in trickling filters

A

Wastewater Sprays inside surfaces bacteria consumes organic Matter

31
Q

Which 2 steps are combined

A

4 & 5 (Trickling Filters & Solids Contact Tanks)

32
Q

What happens in solids contact tanks

A

Bacteria consume remaing saluable material bacteria clumps together after its filled up and settles to the bottom

33
Q

What happens in secondary clarifiers

A

Surface Water Flows to Oceans & Rivers

34
Q

How much of mexico city’s water is from aquifers

A

50%

35
Q

Freshwater USe Graph

A

8%=Personal, 22%=Industry, 70%=Agriculture

36
Q

Water can be used as what kind of tool

A

Economic

37
Q

The price of water is low so what happens

A

It is neglected and over used

38
Q

What percent of water in Mexico city leaks

A

42

39
Q

What is happening because of Overuse of aquifers

A

It is sinking

40
Q

What happened with the brewery

A

Constellation brands was given water use to make a brewery with 750 jobs

41
Q

Why is the colarado river drying up

A

The water comes from a mountain, and less snow (bc global warming) means less water, and overuse because of large cities and farming communities in the dessert

42
Q

What crop is being grown in the dessert

A

alfalfa

43
Q

Who came to block the building of the Constellation brand plant

A

Protestors

44
Q

How much water does it take to make make a pair of jeans and t-shirt

A

20-40 K

45
Q

Cotton is one of the

A

thirstiest crops

46
Q

What chemical is used to dye jeans

A

Indigo

47
Q

What is an unrealistic solution

A

Not using any more cotton

48
Q

How do you reuse cotton

A

Shred old jeans and mix with wood pul (Tencel

49
Q

Recycled jeans use how much less water

A

6x

50
Q

4 Ways to use less water for fashion

A

Wash clothes, Buy Less, buy sustainable alternatives, buy good quality jeans

51
Q

How much cottong is grown each year

A

20 million tons

52
Q

Cotton makes up what percent of the world’s textile

A

50

53
Q

How much water is in one cotton t-shirt? How much in linen t-shirt?

A

7,000 litres, 6.4 litres

54
Q

Hidden Water definition

A

Water used to create somehting but you can’t see the water in the final product

55
Q

The amount of water neede to make a t-shirt is equal to what

A

The amount of water an adult will drink in 9 years

8-1 Tests, Quizzes, Check-Ins & Unit Tests (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions