Rock-en in the Earth

By: Robby P

Plates

Earth is made up of plates. These plates are called tectonic plates. These plates move because of convection currents. They move up, down, forward, and backward. The plates are separated by plate boundaries. The boundaries are called divergent, convergent, and transform.

Erosion the Rock Thief.

Erosion is the weathering of rock. Erosion is caused by water, wind, and ice. In a dry climate wind would do the most damage, but in a wet climate water would do the most damage. In a dry climate water would do the least damage, but in a wet climate wind would do the leastdamage.

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Fossils

Rocks Minerals, Same or Diffrent

The rock cycle

First rock comes to the surface from the mantel. Then it is taken into the sea because of erosion. Next it is pressed into sedimentary rock. Next it melts into metamorphic rock. Then it is pushed up into igneous rock.

Minerals

Minerals are formed by cooled magma. They are also formed when a saluted solution evaporates. We identify minerals by there color, streak, hardness, and cleavage.

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