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ROCK PREZI!!!!!!!!!!

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by

Nithilan Vincent

on 16 February 2013

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Transcript of ROCK PREZI!!!!!!!!!!

By: Nithilan Vincent Rock Learning Maze I'm stranded here!!! I won't go out because
of the minotaur. Might as well try,
I've got
nothing to lose. Now where
should I go?!?!?!? I'l go right! I'll go right! Oh look
help!!! To go out of the maze, you must learn about the 3 types of rocks. There are several learning stops. Once you truly have learned (it will know, it's magic), it will tell you where to go next. Oh yeah, watch out for the minotaur!!! OK, thanks!!! Now, I'll go left. The 1st learning stop. Metamorphic Rocks Metamorphic rocks start off just like any other rock. However, they are exposed to constant, high pressure and extreme heat underneath the earth. This causes a metamorphosis or physical structure change. That is why they are a separate category. The characteristics of this particular rock is that they have cleavage and are foliated. They also react with all acids. Go Go southwest. OK!!! I have reached the second learning stop. Examples of Metamorphic Rocks Examples of metamorphic rocks are: white marble, slate, schist, gneiss, quartzite, and anthracite coal. Go North OK!!! And now I'm at the
3rd learning stop. Sedimentary Rocks Sedimentary rocks are formed similar to metamorphic rocks but only slightly. They both go through pressure though metamorphic's is far worse. Sedimentary rocks are usually formed on a river bed. The pressure of all the water squishes together sand, silt, mud etc. This forms a new rock. However, there is no metamorphosis like in meta morphic rocks. This rock can appear foliated but it is nonfoliated. Sedimentary rocks are less dense than other rocks, sometimes have fossils in them, and have a reaction to weak acids. Go slightly southeast. OK!!! Onwards to the
4th learning stop. Examples of Sedimentary Rocks Examples of sedimentary rocks are conglomerate, chert, breccia, limetsone, red sandstone, gray sandstone, and halite. Go southeast, east, south, and then west. OK!!! And now I'm at the 5th learning stop. Igneous Rocks Igneous rocks form from the solidifying of lava(outside Earth) or magma(inside Earth). If it forms on the surface of Earth, it is extrusive. If it forms inside of Earth, it is intrusive. Most igneous rocks look glassy or shiny, covered in black specks like pepper, and are denser than other rocks. If you take the direct route to the next leaning stop, the minotaur will get you. Follow the magic line and go across the rainbow bridge. After that, go north then west. OK!!! YES!!! I'm at the last learning stop. Examples of Igneous Rocks Examples of igneous rocks are: basalt, gabbro, pumice, basalt/dacite, phyolite, dacite, obsidian, snowflake obsidian, and granite. Go west, south then west and you'll be out of here. OK!!! YES!!! I MADE IT!!!I MADE IT!!!I MADE IT!!! I MADE IT!!! I MADE IT!!! I MADE IT!!! I MADE IT!!! I MADE IT!! !I MADE IT!!! I MADE IT!!!I MADE IT!!! I MADE IT!!! I MADE IT!!! I MADE IT!!! I MADE IT!!! I MADE IT!!! I MADE IT!!! I MADE IT!!! The 2nd learning stop. THE END
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