ROCKSROCKS

By, Alex Sestito, Matt Robbins, By, Alex Sestito, Matt Robbins, Mick Baker, Paul Hess, and Mick Baker, Paul Hess, and

Stephen GallianiStephen Galliani

Igneous Rocks Igneous Rocks

Igneous rock is rock that was once melted Igneous rock is rock that was once melted and than cooled and hardened. Rocks and than cooled and hardened. Rocks that have been changed by heat or that have been changed by heat or pressure.pressure.

Sedimentary RocksSedimentary Rocks

Sedimentary Rocks are made when Sedimentary Rocks are made when materials settle into layers and get materials settle into layers and get squeezed until they harden into rock.squeezed until they harden into rock.

Metamorphic RockMetamorphic Rock

Metamorphic Rock is rock that has been Metamorphic Rock is rock that has been changed by temperature and pressure.changed by temperature and pressure.

How Rocks are FormedHow Rocks are Formed

Rocks are formed by three different ways:Rocks are formed by three different ways:Melted rock can reach earth’s surface Melted rock can reach earth’s surface

through a volcano.through a volcano.Water and wind can break rocks into bits.Water and wind can break rocks into bits.Pressure and temperature causes rocks to Pressure and temperature causes rocks to

form.form.