Igneous Rock: Rocks formed when lava is cooled down and solidifying.

Weathering: When rocks are broken down by storms etc.

Erosion: When rocks are moved from the surface by winds etc

Sediment: Small rocks broke down by weathering and erosion

Compaction: Process by which sediments come together.

Cementation: Process by which sediments are glued together.

Sedimentary Rock: Rocks formed when compaction and cementation takes place with sediments.