Saturday, October 27, 2012

Rock Cycle

Rock Cycle is the repeating of rock throu a cycle. First magma change into an igneous rock, then weathering broke the rocks into smaller pieces(sediment).thirdly the sediments get together and form one piece of rock '' the sedimentary rock''. after that heat and pressure get into it and it melt it and it is now a metamorphic rock .heat and pressure will change it again to magma so it never cease repeating.
A metamorphic rock are the kind of rock that are form by heat and pressure.
 Magma is melted rock inside of a volcano.
 Lava is rocks that is melt from the volcano.
Solidification mean to become hard/solide.
 Weathering is process of breaking rocks into pieces.
 Erosion is when sediment move by water.
Sediment are small pieces of rocks.
Compaction the act of crushing.
 Cementation is the change of a solid with powder.
 Sedimentary rock are the kind of rocks that are form when water get to big rocks and when they got push up and glue together.
 Igneous rocks are the kind of rock that are form when magma become cool and solide.




 An intrusive igneous rock
Intrusive rock that are form inside of the volcano and they have big crystals.





An extrussive igneous rock is a rock that grew outside of the volcano and they have small crystals .

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