Why is it important to find alternative ways to generate electricity?

To reduce the quantity of greenhouse gases entering the atmosphere

To get a better quality of electricity to use for charging up smartphones and tablet computers

To get rid of the National Grid

Which of the following methods of energy generation is not considered as being sustainable?

Electricity generation from fossil fuels

Electricity generation from a solar cell

Using modified vegetable oil in place of diesel

Heating a home using a wood burning stove

In some countries, alcohol that has been fermented from sugar cane is added to petrol to make a biofuel. Which of the following is not a disadvantage of biofuels?

They don't contribute significant greenhouse gases to the atmosphere

Less land is available for food crop farming

Cars that run on petrol need to be converted to run on biofuels

Which of the following is not a practical way of reducing the energy generation needs of an urban area?

Banning nightclubs and late night parties

Adding insulation to schools and public buildings

Replacing older public transport vehicles

Which of the following is not a way that an individual can help to reduce energy usage in an urban area?

Using public transport instead of a car

Turning off the street lights for a few hours each night

Buying energy efficient appliances

How is electricity generated from wind energy?

By capturing and converting kinetic energy from wind turbines

By splitting atoms in nuclear reactors

What is renewable energy?

Energy derived from fossil fuels

Energy derived from sources that are naturally replenished

Energy derived from nuclear reactions

What is energy conservation?

Generating more energy from renewable sources

Using energy more efficiently and reducing waste

Storing excess energy in batteries

Using energy to create new technologies

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