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HOW OLD ROCKS BECOME NEW ROCKS?
HOW OLD ROCKS BECOME NEW ROCKS?
WEATHERING
MEtamorhpic rock
Three types:
1: mechanical
2: Biological
3: chemical
WHEN ROCK IS BROKEN DOWN.
After piles of rock and sediment pile up on each other, sedimentary rock starts to go deeper into the ground. When it hits the core, it combines heat and pressure to form metamorphic rock. Sometimes
the rock will be melted by the heat and turned back into magma. Can you see the cycle?
Sedimentry rock
EXAMPLE:
When Igneous rock is weathered down to tiny peices. They make there way down to a body of water via stream. It sinks down to the bottom where it is compacted by more rock on top of it. they weight on the rock coause it to cement in to sedimentry rock.
HOW ARE ROCKS
CREATED?
EXAMPLE:
Erosion
-When sediment is transported
IGNEOUS ROCK
If you were to look outside the window you would see rock every where. Even the window your looking through. Rocks are classified into three groups: Igneous, Sedimentry, and Metamorphic. In this presentation, I will to tell you about how they are created.
Think of the Eldorado boat launch and how the
weathered rock has piled up, creating a lagoon!
The Cycle
1: Igneuos rock, Igneuos rocks is formed by lave cooling. If lava cools inside the earth it is referred to intrusive igneous.
When cooled out side the crust it is called extrusive Igneous rock.
EXAMPLE