Brainscape's Knowledge GenomeTM

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


See full index

Science > C15 Using The Earth’s Resources > Flashcards

C15 Using The Earth’s Resources Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What do we use the earth’s resources for?

A

Warmth
Shelter
Food
Fuel
Transport

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

Examples of natural resources?

A

Cotton
Wool
timber

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

Examples of synthetic resources

A

Plastic
Polyester
Acrylic

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

Finite resource?

A

A resource that will eventually run out

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

Sustainable development?

A

Development that meets the needs of current generations without compromising the ability of future generations to meet their own needs

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

4 main types of water ?

A

Pure water
Salt water
Fresh water
Potable water 🚰

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

What is potable water 🚰?

A

Water that is safe to drink 🍸

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

In the UK, how is potable water 🚰 extracted from fresh water 🚿?

A

Filtration and sterilisation

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

What is sterilization ?

A

Killing microbes 🦠

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

Three examples of sterilizing agents?

A

Chlorine gas
UV light
Ozone

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

How can potable water be produced from salt 🧂 water ⁉️

A

Desalination

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

How can desalination be carried out?

A

Distillation or reverse osmosis

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

What r the three main types of wastewater ⁉️

A

Sewage
Agricultural water
Industrial waste

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

What can wastewater contain ⁉️

A

Organic matter
Harmful microbes 🦠
Harmful chemicals

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

What is the first step in processing waste water?

A

Screening and grit removal

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

Sedimentation?

A

Separating the waste water into sludge and effluent

17
Q

How is sludge treated?

A

Anaerobic respiration

18
Q

How is effluent treated?

A

Aerobic respiration

19
Q

What is phytomining ?

A

Using plants to extract copper

20
Q

What is bioleaching?

A

Using bacteria to extract copper

21
Q

What is a life cycle assessment?

A

A way of assessing the energy costs and environmental effect of a product across its lifetime

22
Q

What r the four stages of a life cycle assessment?

A
  1. Extracting and processing raw materials
  2. Manufacturing and packaging
  3. Use and operation during its lifetime
  4. Disposal at the end of its useful life
23
Q

How can we reduce the amount of new materials manufactured?

A

By reducing, reusing, or recycling products

24
Q

In what ways can materials that are not recycled be disposed

A

Landfill or incineration

Science (48 decks)

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