There many different kinds of rocks, but they all have some things in common. First l, rocks are made naturally. Second they are solid. Rocks are groups of smaller particles and minerals that are stuck together by external forces such as heat and or pressure. Minerals are naturally occurring substances. They form crystals and are made of specific atoms, usually in an organized fashion. Rocks are divided into the three basic types: Igneous, Sedimentary, and Metamorphic. These