What is a rock?
Rocks are any solid mass of mineral or mineral-like matter that occur naturally on our planet
Rock cycle
Interactions among Earth’s water, air, and land can cause rocks to change from one type to another
Igneous rock formation
Formed when magma cools and crystallizes beneath the surface or as a result of a volcanic eruption
Sedimentary rock formation
Formed when weathered parts of preexisting rocks have been compacted and cemented
Metamorphic rock formation
Formed when by the alteration of preexisting rock deep within the Earth by heat and pressure