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: [[Experiment|Experiments]] are a type of investigation where one variable is changed to see how it affects another in order to test a [[hypothesis]].
: An '''investigation''' that is not an [[experiment]] is one where [[observation]]s are made without affecting the focus of those [[observation]]s (eg [[star]]s can be '''investigated''' to learn about them, but they cannot be [[experiment]]ed upon).
===References===
====AQA====
:[https://www.amazon.co.uk/gp/product/0198359381/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359381&linkCode=as2&tag=nrjc-21&linkId=47c8d1ae58d8b3a5e2094cd447154558 ''Investigation, pages 265-267, GCSE Chemistry; Third Edition, Oxford University Press, AQA '']
:[https://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 ''Investigations, pages 277-282, GCSE Physics; Third Edition, Oxford University Press, AQA '']