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==Key Stage 2==
===Meaning===
An [[insoluble]] [[material]] is one that cannot be easily [[dissolve]]d in [[water]].
===About Insoluble Materials===
: [[Insoluble]] is the opposite of [[soluble]].
: When an [[insoluble]] [[material]] is put in [[water]] it can still be seen, no matter how much you stir the [[water]].
: An [[insoluble]] [[material]] will make [[water]] appear cloudy.
===Examples===
{|
|[[File:SandWaterMixture.png|center|200px]]
| style="height:20px; width:200px; text-align:center;" |Sand is [[insoluble]] because it does not [[dissolve]] in [[water]].
|}
==Key Stage 3==
===Meaning===