Generating Electricity

Question 0

What are the disadvantages of fossil fuels?

Answer 0

They can release CO2
Acid rain can be produced
Devastation of landscape
Environmental problems due to spillage in the sea

Question 1

What are the advantages of fossil fuels?

Answer 1

Cheap
Reliable
Runs 24 hours a day
Site can be build anywhere

Question 2

What are the three types of fossil fuel power stations

Answer 2

Coal
Oil
Gas

Question 3

How to coal powered stations work. Stages?

Answer 3

Chemical ➡️ heat ➡️ kinetic ➡️ kinetic ➡️ electrical

Coal Boiler Turbine Generator national grid

Question 4

What is an advantage of nuclear energy?

Answer 4

Runs 24 hours
Cheap once build
Produces a lot of energy with a small amount of energy

Question 5

What are the disadvantages of nuclear power?

Answer 5

Expensive to build
Produces dangerous waste products
Limited lifetime

Question 6

Is nuclear power reliable?

Answer 6

Yes

Question 7

Are fossil fuels reliable?

Answer 7

Yes

Question 8

What are the advantages of wind power?

Answer 8

No pollution is produced
Wind is free
Can supply remote areas without powerlines

Question 9

Is wind power renewable?

Answer 9

Yes

Question 10

What are he disadvantages of wind power?

Answer 10

Expensive
Visual pollution
Has to be windy

Question 11

What are the advantages of solar power?

Answer 11

No green house gases produced
Portable and remote
Free once installed
No maintenance cost

Question 12

What the disadvantages of solar power?

Answer 12

Relies on it being sunny

Can only run in the day

Question 13

Is solar energy renewable?

Answer 13

Yes

Question 14

What are the advantages of geothermal?

Answer 14

It doesn’t take up much space

Question 15

What are the disadvantages of geothermal energy?

Answer 15

Expensive

Can’t be placed anywhere

Question 16

Is geothermal energy renewable?

Answer 16

Yes

Question 17

What are the advantages of water power?

Answer 17

Doesn’t release green house gases

Energy can be produced instantly

Question 18

Is water power renewable?

Answer 18

Yes

Question 19

What are the disadvantages of water power?

Answer 19

Expensive
Visual pollution
Risks of disasters
Takes up a lot space

Question 20

What are the advantages of biofuels?

Answer 20

Reduces need of landfill
Carbon neutral
Clean energy

Question 21

Is biofuel renewable?

Answer 21

Yes

Question 22

What are the disadvantages of biofuels?

Answer 22

More expensive than fossil fuels

Inefficient compared to fossil fuels

Question 23

What is the energy chain for biofuels?

Answer 23

Chemical potential energy ➡️ thermal ➡️ kinetic ➡️ kinetic ➡️ electrical

Question 24

What is the energy chain for hydroelectric power?

Answer 24

Kinetic ➡️ gravitational potential ➡️ kinetic ➡️ electrical

Question 25

What is the energy chain for solar power?

Answer 25

Light ➡️ electrical

Question 26

What is the energy chain for wind power?

Answer 26

Heat ➡️ kinetic ➡️ kinetic ➡️ electrical

Question 27

What is the energy chain for fossil fuels?

Answer 27

Chemical ➡️ heat ➡️ kinetic ➡️ kinetic ➡️ electrical

Question 28

What is the equation for efficiency?

Answer 28

Useful energy out Efficiency = Total energy in

Question 29

What are the images in plane mirrors?

Answer 29

Laterally inverted, virtual and upright

Question 30

What the energy chain for tidal power?

Answer 30

Kinetic ➡️ electrical