• There are many ways to get energy! These are broadly split into three types:

  • 1. Fossil fuels Examples of fossil fuels: Coal, oil and natural gas • Fuels that are burnt, converting chemical energy to thermal energy.
    • These fuels come from the remains of dead plants and animals from millions of years ago.
    • Burning fossil fuels releases lots of CO2 — which is a major cause of climate change.

  • 2. Nuclear fuels A nucleus splitting into two smaller nuclei
    • The nuclei of certain atoms (such as Uranium and Plutonium) are split apart in a chain reaction, converting nuclear energy to thermal energy.
    • Releases no CO2 but leaves behind radioactive nuclear waste. Nuclear waste must be stored underground, and takes a very long time to decay.

  • 3. Renewable resources
    • Unlike fossil and nuclear fuels, these resources will not run out.
    • When in use, renewable resources produce no CO2 or other greenhouse gases!
    • However, many renewable resources cannot produce a reliable output of energy. A table of renewable resources, how they work, what energies they transfer and their pros and cons.

  • Apart from nuclear, geothermal and tidal energy, all of these energy resources ultimately come from the sun.



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