Changes

===Unit Comparisons===

{| class="wikitable"

| style="height:20px; width:50px; text-align:center;" |'''In Joules'''

|-

| style="height:20px; width:50px; text-align:center;" |4.2J

|-

| style="height:20px; width:50px; text-align:center;" |4200J

|-

| style="height:20px; width:50px; text-align:center;" |0.001J

|-

| style="height:20px; width:200px; text-align:center;" |1000J

|}

==Key Stage 4==

===Meaning===

The [[SI unit]] for [[Measure|measuring]] [[energy]].