A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition and the way in which it is formed. And there are three types of rocks. the sedimentary, the metamorphic, and the igneous rock. Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material. Together, all these particles are called sediment. Metamorphic rocks are formed under the surface of the earth from the metamorphosis (change) that occurs due to intense heat and pressure (squeezing). And Igneous rocks are formed when magma (molten rock deep within the earth) cools and hardens. Sometimes the magma cools inside the earth, and other times it erupts onto the surface from volcanoes (in this case, it is called lava).
HOW ROCK CHANGE
These are the five processes by which rock is formed and changed. After learning these processes, i am very surprised and amazed because i learn that that´s how rocks form and change.
ROCK CYCLE
A useful way to illustrate how the three main types of rock are related to one another and how changes to rocks happen in a recurring sequence is the rock cycle. It can be presented in a diagram in the right side.
The discussion went well; I learned a lot about rocks. After I studied and answered the rock cycle interactive questions, I learned a lot about the types of rocks, which are sedimentary, igneous, and metamorphic rocks, how rocks are formed and changed, and the rock cycle. It’s fun to study rocks and the rock cycle because it’s amazing how rocks form and change. This is also one of the reasons we live on such a lovely planet. This blog will end here. See you on the next blog!
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