What is sedimentary rock and how does it form

Sedimentary rocks are formed when sediment is deposited out of air, ice, wind, gravity, or water flows carrying the particles in suspension. This sediment is often formed when weathering and erosion break down a rock into loose material in a source area.

Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms.

Sedimentary rocks are formed from the broken remains of other rocks that become joined together. A river carries, or transports, pieces of broken rock as it flows along. When the river reaches a lake or the sea, its load of transported rocks settles to the bottom. We say that the rocks are deposited