Electricity generation.... definitions

Electricity Generation - making electrical power
Fossil Fuel - Non renewable forms of energy formed through past organisms, coal, oil, natural gas. When burnt, these release carbon
Hydro electric power - The use of falling water to turn a turbine to generate electricity
Non-renewable energy - A fuel source which can only be used once before it is exhausted because it takes millions of years to form
Renewable energy - A source of fuel which can be used over and over again, e.g. wind, solar
Thermal power station - Power stations which use heat to make steam which turns the turbines to generate electricity. The heat can be made from the burning of coal, oil or gas or alternatively from nuclear reactions or use of geothermal activity.