GCSE Questions: Energy Sources
(a) Nuclear power can be used to generate electricity through nuclear fission. The diagram shows the process of nuclear fission.
(b) The UK needs at least 25,000,000 kW of electrical power at any time. A nuclear power station has an electrical power output of 2,400,000 kW.
Calculate how many nuclear power stations are needed to provide 25,000,000 kW of electrical power.
(c) State two environmental issues caused by generating electricity using nuclear power stations.
(d) The UK currently generates a lot of electricity by burning natural gas. This process releases carbon dioxide into the atmosphere.
The graph below shows how the concentration of carbon dioxide in the atmosphere has changed over the past 115 years.
The following graph shows how the global temperature has changed over the past 115 years.
Give one similarity and one difference between the data in the two graphs.
(Total 8 marks)