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Created page with "==Key Stage 4== ===Meaning=== '''SI Units''' are the standard scientific units used by scientists around the world. ===About SI Units=== : '''SI''' stands for "Systè..."
==Key Stage 4==
===Meaning===
'''SI Units''' are the standard scientific [[unit]]s used by [[scientist]]s around the world.
===About SI Units===
: '''SI''' stands for "Système international".
: '''SI''' [[unit]]s have been standardised around the world so that any [[experiment]] can be [[reproduce|reproduced]] and so that components in machines are interchangeable.
: The [[USA]] does not always use '''SI Units'''. As a result of the confusion over [[unit]]s a [[Space Probe|space probe]] once crashed on [[Mars]] because one team of [[scientist]]s was using [[inch]]es and the other team was using hundredths of [[metre]] ([[centimetre]]s).
===Meaning===
'''SI Units''' are the standard scientific [[unit]]s used by [[scientist]]s around the world.
===About SI Units===
: '''SI''' stands for "Système international".
: '''SI''' [[unit]]s have been standardised around the world so that any [[experiment]] can be [[reproduce|reproduced]] and so that components in machines are interchangeable.
: The [[USA]] does not always use '''SI Units'''. As a result of the confusion over [[unit]]s a [[Space Probe|space probe]] once crashed on [[Mars]] because one team of [[scientist]]s was using [[inch]]es and the other team was using hundredths of [[metre]] ([[centimetre]]s).