Energy sources
Renewable and non-renewable energy sources
Electricity can be generated using a turbine to drive a generator before distribution. Renewable and non-renewable energy sources have pros and cons in terms of cost, reliability and pollution.
The formation and usage of fossil fuels
The fossil fuels were formed from the remains of dead organisms over millions of years. They are non-renewable, finite resources.
Video playlist
Heat transfers and the vacuum flask. Video
An explanation of heat loss from liquids in a vacuum flask.
