Minerals & Crystals
Free Games & Activities
Minerals are naturally occurring chemical compounds usually of crystalline form and not produced by life processes. A mineral has one specific chemical composition or azole can be an aggregate of different minerals.
Rocks are solid mineral material forming part of the surface of the earth and other similar planets exposed on the surface or underlying the soil or ocean. Rocks are naturally occurring minerals that can consist of a single mineral or of several minerals that are either tightly compacted or held together by submit like mineral matrix.
The rock cycle is the process where rocks of one kind change into rocks of another kind. There are three main kinds of rocks igneous rock, metamorphic rock, and sedimentary rock. Metamorphic rock is rock that has been heated and squeezed. It can erode into sediment or melt into magma.