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Facts About Rocks

Published on Feb 10, 2016

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1.

FACTS ABOUT ROCKS

BY:VICTORIA AND JULLEA 4W 11/2/15
Photo by Vvillamon
2.

ROCKS ARE CLASSIFIED BY HOW THEY'RE FORMED.

3.

LAYERS OF SEDIMENTS GET PRESSED DOWN OVER TIME THIS MAKES SEDIMENTARY ROCKS.

SANDSTONE IS ONE EXAMPLE OF A SEDIMENTARY ROCK.
4.

METAMORPHIC ROCKS FORM WHEN HEAT AND PRESSURE PRESS DOWN ON THE ROCK OVER TIME.

SLATE IS ONE EXAMPLE OF A METAMORPHIC ROCK.
5.

IGNEOUS ROCKS FORM WHEN MOLTEN ROCK THAT COMES OUT OF A VOLCANO COOLS DOWN.

TWO EXAMPLES OF IGNEOUS ROCKS ARE PUMICE AND OBSIDIAN.
6.

THE TYPES OF ROCKS ARE IGNEOUS,SEDIMENTARY, AND METAMORPHIC ROCKS

OUR FAVORITE TYPE OF ROCK IS IGNEOUS ROCKS BECAUSE WE LIKE THEIR COLOR,SHAPE,AND FORM.

Michele Winchester