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→Key Stage 4
==Key Stage 4==
===Meaning===
'''Kilowatts''' ('''kJ''') are a [[unit]] of [[power]] 1,000 times larger than the [[SI Unit]] of the [[JouleWatt]]s.
===About Kilowatts===
: '''Kilowatts''' are shortened to '''kJ''' with a lower case k and an upper case J.