Energy sources

Question 1

What can be done domestically and nationally to reduce energy demands?

Answer 1

Using shared/public transport over singular cars, cycling/walking rather than transport, turning off lights when not needed, not using too much hot water, consuming less meat

Question 2

What does the choice for which energy source to use depend on?

Answer 2

Environmental impacts,
Economics,
Waste produced,
Carbon dioxide emissions

Question 3

What are the advantages and disadvantages of fossil fuels?

Answer 3

They are widely and easily available, they are stable and efficient sources and they are cheap and easy to use.
However they are unsustainable, they produce harmful waste products: carbon dioxide (a greenhouse gas) and sulfur dioxide (causes acid rain)

Question 4

What are the advantages and disadvantages of nuclear fuels?

Answer 4

They have low greenhouse emissions, they are powerful and efficient, nuclear fuel is cheap for the energy it produces and long lasting.
However it is also non-renewable and unsustainable, waste products are radioactive and remain hazadous for thousands of years

Question 5

What are some examples of renewable energy sources?

Answer 5

Biofuel energy, solar energy, wind energy, water (waves, tidal, hydroelectricity ) energy, geothermal

Question 6

What are the advantages of energy sources such as solar, wind and water energy?

Answer 6

They are renewable sources so they wont run out or leave future generations without sources, they also do not produce polluting gases and emissions

Question 7

To ensure we have enough energy to supply the whole nation what do we need in terms of energy sources?

Answer 7

A variety and mixture of sources that all contribute to supplying the entire nation.