TYPES OF ROCKS

METAMORPHIC

• Metamorphic rocks form under high heat and pressure
• It may cause the minerals crystals to change.
• Metamorphic rocks are usually hard
• The heat and pressure cause the particles to form layer
• Metamorphic rocks can form from all kinds of rocks

SEDIMENTARY

• Sedimentary rocks form when layers of sediments settle on top of one another and harden.
• Sediments are made up of soil, shells, bits of rocks and the remains of dead plants and animal matter
• Water, wind, ice and gravity move sediments from one place to another
• Over time sediments settle in layers on land or on the bottom of the oceans, rivers, and lakes.
• Newer layers press the older layers together

IGNEOUS

• Igneous rocks form from molten rock.
• Igneous comes from a Latin word that means "fire"
• Igneous rocks may form above or below earths surface
• Once it's on earths surface the lava cools quickly
• It may harden into solid igneous rocks in just a few days

Our favorite rock is igneous because they come from volcanoes.