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Earth's Structure Crossword Puzzle

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Earth's Structure

              4                                   5    
                            12             13   14        
                      15         16     17             18  
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3 the hypothesis that states that the continents once formed a single landmass, broke up and drifted
4 uppermost layer of the oceanic portion of a tectonic plate
7 the process bb¥ which new oceanic lithosphere forms as magma rises toward the surface and solidifies
8 soft layer of the mantle
10 two tectonic plates slide past each other
11 underwater mountain ridge
15 two tectonic plates separate
19 a place where tectonic plates touch
1 earth's crust and top of mantle is cool and rigid.
2 continents as one single landmass
3 two tectonic plates collide
5 earth's thickest layer, very top of mantle is cool and rigid.
6 a break in rock that is due to stress
9 thin layer of cool rock, surrounds earth like an egg shell.
12 solid layer of the mantle
13 the center part of the earth below the mantle
14 ball of hot solid medals, under intense pressure.
16 the study of the earth
17 the lithosphere is broke into many large and small slabs of rock
18 divergent boundaries, cause spreading centers, where two plates move apart from each other
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