Natural Disasters

Rock Cycle

The Rock Cycle is a change between three types of different rocks. When the magma cools down it become an Igneous rock, than Igneous rock become sediments by weathering and erosion. Sedimentary rock formed by the compaction and cementation of sediments. Metamorphic rock formed by heat and pressure and, when sedimentary rock melts it becomes an Igneous rock.

Rocks Vocabulary

Metamorphic rock: - it formed by heart and pressure.

 Sedimentary rock: - a rock formed by sediments pushed and glued together.

Igneous rock: - when lava melts and cools down it formed an igneous rock.

Lava/ Magma: - the hot rock liquid.

Solidification: - process in which a liquid turns into a solid by cooling down.

Weathering: - when the rock breaks.

Erosion: - the movement of rock from one place to another.

Sediments: - soil, sand, rock, and gravels.

Compaction: - when the rock push and glue together.

                                            

Cementation: - process in which the sedimentary rocks are made.

                                         Igneous Rock

Intrusive Igneous rock: rock made inside the earth.

Extrusice Igneous rock: rock made outside the earth.

Sedimentary Rock

Clastic Sedimentary rock: rock made by rock fragments glued together.

Crystalline Sedimentary rock: rock formed of mineral crystals which are made through evaporation.

Metamorphic Rock  

Foliated Metamorphic rock: rocks that has layers.

Non-Foliated Metamorphic rock: rocks that does not have layers.

Mineral Properties

*Minerals Properties*

Luster: - metallic -look like metal AND non-metallic -not look like metal.

                       Metallic luster                                                           Non metallic luster

Color: - color of the mineral.

Streak: - the color of a mineral in its powder form.

Hardness: - how hard is the mineral.

Cleavage: - broke smooth, and even.

                                                 Fracture: - broke rough, and uneven.                                          

Composition: - the chemicals that it is in the minerals.

Other properties: - magnetic

Rock Cycle Video

Rock Cycle - Class K #5 from Kara MacDevitt on Vimeo.

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ABOUT ME

Science is silly and tricky, but an interesting subject.
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