My+rocks.

Rock families There are three rock families 1#** Igneous ** 2# ** Sedimentary ** 3# ** Metamorphic ** 1#** Igneous **rock- Born of fire or magma) Lava crust.  Magma- melted rock that is found inside the earth’s crust.  is melted rock found outside (on) the earths  When lava and magma cool they form two different kinds of** Igneous **  rock: intrusive rock igneous rock that is formed from cooled magma (e.g granite)  // Extrusive rock igneous is that is formed from cooled lava (E.G.Pumice,Basalt,Rholite**)** //  **// extrusive rock (from Lava) cools quikly and forms small cr and forms small crystals //**  **// Intrusive rock from magma cools very slowly inside the earths crust and forms large crystals. //**  **// Basalt //**  **// Granite //**  **// Rhyolite //**  Metamorphic Rock: Changing form Once a rock exists as igneous or sedimentary it can be into another different kind of rock by using pressure and heat and a lot of time. Metamorphic rock is a rock that changed form into a new type of rock. The original rock parent rock is changed by pressure and heat to a new metamorphic rock. Slate.
 * Igneous ** rock forms from melted rock (lava or magma) when it cools.