A ==Key Stage 3=====Meaning===An [[igneous]] rock is a [[rock]] formed from [[magma]] or [[lava]]. ===About Igneous Rocks===: When [[magma]] or [[lava]] [[freezing|freezes]] it is called an '''igneous''' rock.: When the [[magma]] is trapped underground it [[freezing|freezes]] slowly and this makes very large [[cyrstal]]s in the rock.: When the [[lava]] comes out of the [[volcano]] it cools down and [[freezing|freezes]] quickly making small [[crystal]]s. ===Examples===