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 Intrusive Rocks  Below earth’s surface – cools slow  Large grains  Extrusive Rocks  On earth’s surface – cools fast  Small or no visible grains.

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Presentation on theme: " Intrusive Rocks  Below earth’s surface – cools slow  Large grains  Extrusive Rocks  On earth’s surface – cools fast  Small or no visible grains."— Presentation transcript:

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4  Intrusive Rocks  Below earth’s surface – cools slow  Large grains  Extrusive Rocks  On earth’s surface – cools fast  Small or no visible grains

5  Basaltic  Granitic

6  Basaltic Rocks  Heavy, Dense, Dark  Granitic Rocks  Light colored, lower density (trapped gasses)

7  During the movie, write down 6 things you learned about igneous rocks.

8  Intrusive vs. extrusive & basaltic vs. granitic

9 1. Why do some types of magma and lava form igneous rocks that are dark and dense? 2. How do intrusive and extrusive rocks differ? 3. Where would you expect to find a granitic rock, near a slow flowing volcano in Hawaii, or near Mount Saint Helens, Washington?

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13  Folliated  Banded, layers.. Can be separated along layers(slate, gneiss)  Non-foliated  No easily visible bands (marble)

14  Like last time, write 6 things you learned along the way.

15 1. How is igneous rock different from metamorphic rock? 2. How are metamorphic rocks characterized? 3. Where might you find igneous rock? 4. Where might you find metamorphic rock?

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18  Sediments compact and cement together.  What does compact and cement mean?  Where do sediments come from?  Weathering and erosion.  Clay, Silt, Sand, Gravel

19 1. Detrial 2. Chemical 3. Organic

20  Made from broken fragments from other rocks.

21  Forms when minerals dissolve out of solution Rock salt

22  Rocks form from once-living things Coal

23 1. How do sedimentary rocks form? 2. Where do the sediments come from? 3. Create a story where a rock is born from magma, goes through two other rock forms, and eventually reforms as magma.


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