Difference between revisions of "Joule"
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==Key Stage 4== | ==Key Stage 4== | ||
===Meaning=== | ===Meaning=== | ||
| − | + | ‘’’Joules’’’ (‘’’J’’’) are the [[SI Unit]] for [[energy]]. | |
| + | ===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 [[megajoules]] (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 [[kilojoules]] (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 [[millijoules]] 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 [[microjoules]] 1(µJ) | ||
| + | | 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 [[nanojoules]] 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 | ||
| + | |} | ||
Revision as of 17:51, 25 March 2019
Contents
Key Stage 3
Meaning
A Joule is a unit for measuring energy
About Joules
- Joules are the scientific unit for measuring energy.
- A number of Joules is written with a capital J.
Unit Comparisons
| Unit | In Joules |
| 1 Calorie | 4.2J |
| 1 kilocalorie | 4200J |
| 1 kilowatt-hour | 36,000,000J |
Converting to Joules
| Unit | To convert | Joules |
| 1 Megajoule (1MJ) | Convert to Joules x1000,000. | 1000,000J |
| 1 kilojoule (1kJ) | Convert to Joules x1000. | 1000J |
| 1 Joule (1J) | Convert to Joules x1. | 1J |
| 1 millijoule 1(mJ) | Convert to metres /1000. | 0.001J |
| 1 microjoule 1(µJ) | Convert to Joules /1000,000. | 0.000001J |
Key Stage 4
Meaning
‘’’Joules’’’ (‘’’J’’’) are the SI Unit for energy.
About Joules
- ‘’Joules’’’ are shortened to an upper case ‘’’J’’’.
Converting to Joules
| Unit | To convert | Joules |
| 1 megajoules (1MJ) | Convert to joules x106 | 1x106J |
| 1 kilojoules (1kJ) | Convert to joules x103 | 1x103J |
| 1 Joule (1J) | Convert to joules x1 | 1J |
| 1 millijoules 1(mJ) | Convert to joules x10-3 | 1x10-3J |
| 1 microjoules 1(µJ) | Convert to joules x10-6 | 1x10-6J |
| 1 nanojoules 1(nJ) | Convert to joules x10-9 | 1x10-9J |