What are the three different types of rock?

Rocks are made up of one or more ________.

__________ rock forms when sand, particles or rock, bits of soil and remains of once-living things are pressed together and hardened

___________ and ____________ are two types of sedimentary rocks.

__________________ rocks form when melted rock from deep below the Earth's surface cools and hardens.

__________ rocks form when existing rocks are changed by extreme heat and pressure.

____________ and ___________ are metamorphic rocks.

_______________ rocks are formed when magma or lava, cools and hardens

_____________ rocks form when layers of soil, rock, and sand are pressed together until they form rock

______________ rocks are formed by other rocks that have been changed.