Friday, September 23, 2016

a question for research

Can you tell by looking closely at a piece of igneous rock if it cooled above ground or underground?   Research this question and determine your answer. 


69 comments:

  1. The piece of igneous rock was cooled underground because magma is underground, and lava is above ground.

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  2. no you can tell if it cooled above ground or underground

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  3. Maga is above ground not underneath.

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  4. I don't think that you can tell.

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  5. Yes, because one has air pockets, which creates big holes and the other does not.

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  6. It was cooled underground .

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  7. By just looking at it yes you can tell the difference between the two

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  8. No but Igneous rock is cooled above because magma is above ground so is lava so it must cool above ground.

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  9. Yes I think you can tell if Igneous rock is cooled above or underground.

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  10. You can not tell if a piece of igneous rock has cooled above ground or below ground because it had to irrupt before it cooled.

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  11. yes because magma is underground and lava is above ground

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  12. If it was above ground then it probably has crystals.

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  13. you can it was cooled underground and the surface.

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  14. The piece of Igneous rock cooled underground because magma is found in the Earth, and lava is found above the Earth.

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  15. Yes if it melted on the surface it might have air pockets and if it's under ground it's just solid.

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  16. Yes, if a rock is made above the surface it has smaller crystals than it would if it was mad underground.

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  17. igneous rock can cool underground or above ground

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  18. Igneous rock cools under the ground.

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  19. Yes you can, because the intrusive igneous rocks cool slowly, forming crystals. The extrusive cools quickly, leaving holes and no crystals.

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  20. Yes if a rock is made above the surface it has smaller crystals that it would if it was made underground.

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  21. yes if a rock was above ground it would have smaller crystals then a rock that was under ground.

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  22. no you can not tell weather they cooled above or under ground because they all look the same.

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  23. You can tell if it was cool ubove ground or under.

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  24. Yes, you can tell if a igneous rock has cooled above ground or underground.

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  25. yes because above ground it would be igneous and below ground it would turn into crystals

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  26. Igneous rock is cooled in both places

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  27. Yes because it would look diffrent

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  28. Yes, because above ground it might get air pockets, but below ground it won't.

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  29. I don't really know

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  30. Yes you can because only one of them would have crystals.

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  31. Yes you can tell if an igneous rock was cooled above ground or underground.

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  32. when a piece of igneous rock is cooled underground you can tell because most of the time they don't have wholes from released air and gas because they don't let out underground because they are being compacted.

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  33. Yes you can because sometimes when lava cools is has air holes, but when the magma cools inside a volcano it usually would cool slower so it has crystals.

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  34. Yes you can tell if a igneous rock has cooled below or above ground.

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  35. If you looked closely at a piece of igneous rock, you would be able to tell if it was cooled above or below ground. This is because the slower the magma cools, the more chance crystals or mineral grains have to grow in it.

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  36. Yes because it has air pockets if it forms extrusivly.

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  37. Yes because it may have air pockets.

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  38. Ryan21doe Caden21doeFriday, September 23, 2016

    No but Igneous rock is cooled above because magma is above ground so is lava so it must cool above ground.

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  39. I don't think you can

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  40. Yes, because it might have air holes in it.

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  41. it froms air pocets so yeah

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  42. Yes you can because it might have air holes in the rock.

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