Help with Earth space science (mostly plate tectonics) homework (9th grade)
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Help with Earth space science (mostly plate tectonics) homework (9th grade)

[From: ] [author: ] [Date: 11-06-05] [Hit: ]
as a rock rises in the asthenosphere it changes from a solid to a ...11. over time this is happening to the atlantic ocean13. when all the continents were bunched together in the past it was called .......
!!!!!! ( just so you know this is a crossword puzzle i'll put the questions , and you just write the number of the question and the answer.)

1. the mechanism that drives sea floor spreding

4. Hawaii and yellow stone r these

5.type of boundry where one slides past the other one

7. where one plate gets thrust below another

8. us to help piece together the continents in the past

9.if a continental crust converges with and oceanic crust who will get sub-ducted

10.as a rock rises in the asthenosphere it changes from a solid to a ...

11. over time this is happening to the atlantic ocean

13. when all the continents were bunched together in the past it was called ...

15. thickest type of crust that is not very dense

16. if you heat something you will change its ...

19. convection takes part in this part of earth

20. formed were oceanic crust converges with oceanic crust

22. which is more dense ,magma,rock,or water

23. you look for volcanoes ,mountains, trenches and earthquakes here

25. where the crust gets pulled apart it forms this following upwarping

29. upper most part of the mantle


12. thin,very dense crust

14. magma that has a high iron content found at a mid ocean ridges

17. name of the man who came up with the current theory of plate tectonics

16. type of plate boundry at the mid ocean ridge

21. center of the earth

24. called where continenets get welded together

26. where gps recievers get their signals

27. name of the feature where all the volcanoes are in the pacific ocean

28. boundry that causes the great mountains ranges of the world


and please dont guess or write "u should search it on Google" or Wikipedia i tried that and now im doing this.

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1. the mechanism that drives sea floor spreding - midoceanic ridge
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