Cq5- Using The Earths Resources

Question 1

What do we use the earths resources for?

Answer 1

Food
Shelter
Fuel
Transport
Warmth

Question 2

What are some natural resources?

Answer 2

Cotton, timber , wool

Question 3

What are some examples of synthetic resources?

Answer 3

Plastic, polyester, acrylic

Question 4

What is a finite resource?

Answer 4

A resource that will run out and is not replenished at the rate we are using it

Question 5

What is a renewable resource?

Answer 5

A resource that is replenished as fast as it is used

Question 6

What is sustainable development?

Answer 6

Development that meets the current needs without compromising future needs

Question 7

What are the four main types of water?

Answer 7

Pure, salt, fresh, potable

Question 8

What is potable water?

Answer 8

Water that is safe to drink

Question 9

How is potable water acquired from fresh water?

Answer 9

Filtration and sterilisation

Question 10

What is sterilisation?

Answer 10

Killing microbes

Question 11

What are examples of sterilising agents?

Answer 11

Chlorine, ozone, uv light

Question 12

How can potable water be produced from salt water?

Answer 12

Desalination

Question 13

How can desalinisation be carried out?

Answer 13

Reverse osmosis and distillation

Question 14

What are the three main types of waste water?

Answer 14

Sewage, agricultural waste, industrial waste

Question 15

What can waste water contain?

Answer 15

Organic matter, harmful microbes, harmful chemicals

Question 16

What is the first process in processing waste water?

Answer 16

Screening and grit removal

Question 17

What is sedimentation?

Answer 17

Separating waste water into sludge and effluent

Question 18

How is sludge treated?

Answer 18

Anaerobic respiration

Question 19

How is effluent treated?

Answer 19

Aerobic respiration

Question 20

What is phytomining?

Answer 20

Using plants to extract copper

Question 21

What is bioleaching?

Answer 21

Using bacteria to extract copper

Question 22

What is a life cycle assessment?

Answer 22

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

Question 23

What are the stages of a life cycle assessment?

Answer 23

-extracting raw materials
-manufacturing and packaging
-use
-disposal

Question 24

How can we reduce the amount of new materials manufactured?

Answer 24

Reusing or recycling

Question 25

What are the ways not recyclable materials are disposed of?

Answer 25

Incineration or landfill

Question 26

What is a lechate?

Answer 26

Product of bioleaching produced by the bacteria containing the metal ore processed through electrolysis or displacement