User talk:Matthewp1234

boo
boo

rocks
the three types of rock are igneous rock, sedimentary rock, and metamorphic rock.

Igneous rock: rock that comes out of a volcano either extrusive or intrusive. Extrusive: cools and hardens outside and has less time for crystals to form so the crystals are smaller. Intrusive: stays inside the magma chamber so the crystals have more time to form making them bigger.

Sedimentary rock: rocks that layer and layer over the years to become rock. it is made from small bits of rock called sediment. since it takes so long to form, fossils\imprints can be found within.

Metamorphic rock: rock that was igneous or sedimentary that was under great heat and pressure and transformed into a metamorphic rock.