minerals
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- What can happen in the volcano is how fast the movement of the lava is in the volcano can determine it's texture. For example if the lava moves fast and spews out the volcano, then its gonna cool faster because it came in contact with air faster. The texture it would gain from this is called coarse-grained.
- Hi my name is rocky the cool rock and I will show you the cool ways that rocks are made. There are three main rock types that we will be talking about. Those rocks are called igneous, sedimentary, and metamorphic.
- Sometimes when igneous rocks are cooling down, they can mix with other minerals. An example of this rock is called granite. The crystals or minerals that form with the igneous rock can be really big or really small. Igneous rocks, like granite, can last up to 50,000 years until they move to the next stage of the cycle.
- We'll first talk about how an igneous rock forms. Igneous forms whenever magma or lava slowly comes up the volcano or is erupted out of the volcano. Then it is cooled when it comes into contact with air and forms Igneous rock.
- Now we're at a river. This is where the next rock is formed, sedimentary.
- Water and wind are a big part in the production of sedimentary rocks. These two forces are called weathering. The way water turns rocks into sedimentary rocks is by beating the rocks in the current of the water until it turns into sediment. The sediment is then carried down the stream through erosion until the sediments settle at the bottom of the stream.
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