==Key Stage 3==
===Meaning===
A [[Joule]] is a the scientific [[unit]] for [[measuring]] [[energy]].
===About Joules===
: [[Joule]]s are the [[SI Unit|scientific unit]] for [[measuring]] [[energy]].
: A number of [[Joule]]s is written with a capital '''J'''.
===Unit Comparisons===
{| class="wikitable"
| style="height:20px; width:50px100px; text-align:center;" |'''[[Unit]]'''| style="height:20px; width:50px100px; text-align:center;" |'''In Joules'''
|-
| style="height:20px; width:50px100px; text-align:center;" |1 [[CalCalorie]]| style="height:20px; width:50px100px; text-align:center;" |4.2J
|-
| style="height:20px; width:50px100px; text-align:center;" |1 [[KCalkilocalorie]]| style="height:20px; width:50px100px; text-align:center;" |4200J
|-
| style="height:20px; width:50px100px; text-align:center;" |1 [[mJkilowatt-hour]]| style="height:20px; width:50px100px; text-align:center;" |36,000,000J|} ===Converting to Joules==={| class="wikitable"|-| style="height:20px; width:200px; text-align:center;" |'''Unit'''| style="height:20px; width:200px; text-align:center;" |'''To convert'''| style="height:20px; width:200px; text-align:center;" |0.001J'''Joules'''
|-
| style="height:20px; width:200px; text-align:center;" |1 [[KJMegajoule]](1MJ)| style="height:20px; width:200px; text-align:center;" |Convert to [[Joule]]s x1000,000.| style="height:20px; width:200px; text-align:center;" |1000,000J|-| style="height:20px; width:200px; text-align:center;" |1 [[kilojoule]] (1kJ)| style="height:20px; width:200px; text-align:center;" |Convert to [[Joule]]s x1000.
| style="height:20px; width:200px; text-align:center;" |1000J
|-
| style="height:20px; width:200px; text-align:center;" |1 [[Joule]] (1J)
| style="height:20px; width:200px; text-align:center;" |Convert to [[Joule]]s x1.
| style="height:20px; width:200px; text-align:center;" |1J
|-
| style="height:20px; width:200px; text-align:center;" |1 [[millijoule]] 1(mJ)
| style="height:20px; width:200px; text-align:center;" |Convert to [[metre]]s /1000.
| style="height:20px; width:200px; text-align:center;" |0.001J
|-
| style="height:20px; width:200px; text-align:center;" |1 [[microjoule]] 1(µJ)
| style="height:20px; width:200px; text-align:center;" |Convert to [[Joule]]s /1000,000.
| style="height:20px; width:200px; text-align:center;" |0.000001J
|}
==Key Stage 4==
===Meaning===
The '''Joules''' ('''J''') are the [[SI unitUnit]] for [[Measureenergy]].===About Joules===: '''Joules ''' are shortened to an upper case '''J'''.===Converting to Joules==={| class="wikitable"|-| style="height:20px; width:200px; text-align:center;" |'''Unit'''| style="height:20px; width:200px; text-align:center;" |'''To convert'''| style="height:20px; width:200px; text-align:center;" |'''Joules'''|-| style="height:20px; width:200px; text-align:center;" |1 [[megajoule]] (1MJ)| style="height:20px; width:200px; text-align:center;" |Convert to '''joules''' x10<sup>6</sup>| style="height:20px; width:200px; text-align:center;" |1x10<sup>6</sup>J|-| style="height:20px; width:200px; text-align:center;" |1 [[kilojoule]] (1kJ)| style="height:20px; width:200px; text-align:center;" |Convert to '''joules''' x10<sup>3</sup>| style="height:20px; width:200px; text-align:center;" |1x10<sup>3</sup>J|-| style="height:20px; width:200px; text-align:center;" |1 [[Joule]] (1J)| style="height:20px; width:200px; text-align:center;" |Convert to '''joules''' x1| style="height:20px; width:200px; text-align:center;" |1J|-| style="height:20px; width:200px; text-align:center;" |1 [[millijoule]] 1(mJ)| style="height:20px; width:200px; text-align:center;" |Convert to '''joules''' x10<sup>-3</sup>| style="height:20px; width:200px; text-align:center;" |1x10<sup>-3</sup>J|-| style="height:20px; width:200px; text-align:center;" |1 [[microjoule]] 1(µJ)|measuringstyle="height:20px; width:200px; text-align:center;" |Convert to '''joules''' x10<sup>-6</sup>| style="height:20px; width:200px; text-align:center;" |1x10<sup>-6</sup>J|-| style="height:20px; width:200px; text-align:center;" |1 [[nanojoule]] 1(nJ)| style="height:20px; width:200px; text-align:center;" |Convert to '''joules''' x10<sup>-9</sup>| style="height:20px; width:200px; text-align:center;" |1x10<sup>-9</sup>J|} ===References=======AQA==== :[https://www.amazon.co.uk/gp/product/1471851354/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851354&linkCode=as2&tag=nrjc-21&linkId=9012a0d354024419214fb3ad5ac44ba0 ''Joules (J), page 266, GCSE Combined Science Trilogy 1, Hodder, AQA '']:[https://www.amazon.co.uk/gp/product/1471851362/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851362&linkCode=as2&tag=nrjc-21&linkId=7d78d70a2044ee9982dae010c94af92a ''Joules (J), pages 214, GCSE Combined Science Trilogy 2, Hodder, AQA ''] :[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Joules (J), pages 3, 124, GCSE Physics, Hodder, AQA '']:[energyhttps://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Joules, pages 8, 10-13, 16, 20-21, 70-72, GCSE Physics; Third Edition, Oxford University Press, AQA ''] ====Edexcel==== :[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Joules (J), page 34, GCSE Physics, Pearson Edexcel '']:[https://www.amazon.co.uk/gp/product/1292120193/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120193&linkCode=as2&tag=nrjc-21&linkId=572df39392fb4200db8391d98ae6314e ''Joules, page 316, GCSE Combined Science, Pearson Edexcel ''] ====OCR====:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Joules (J), pages 26, 74, Gateway GCSE Physics, Oxford, OCR '']