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==Key Stage 2==
===Meaning===
An [[insoluble]] [[material]] is one that cannot be easily [[dissolve]]d in [[water]].
===About Insoluble Materials===
==Key Stage 3==
===Meaning===
An [[insoluble]] [[material]] is one that cannot be easily [[dissolve]]d in a [[watersolvent]].
===About Insoluble Materials===
{|
|[[File:SandWaterMixture.png|center|300px]]
| style="height:20px; width:300px; text-align:center;" |Sand is referred to [[insoluble]] in [[water]] because it does not very little can [[dissolve]] in the [[water]].
|}
===References===