Kkat16 Crossword
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
 
 
Down: 1) earths continents had once been joined as a single land mass that broke apart and sent continent adrift2) regions where to tectonic plates are moving apart3) are huge pieces of crust and rigid upper mantle that fit together at their edges to cover earths surface4) is the study of earths magnetic field5) SUPERCONTINENET6) happens when the flow in the outer core changes and earths magnetic field changes direction7) is the theory that explans how new ocean crust is formed at ocean ridges and destroyed at deep sea trenches9) the weight of a subduction plate pulls the training slabe into the subduction zone12) is a small device that can detect small changes in magnetic fields14) when continental crust begins to separate the stretched crust forms a long narrow depression Across: 8) two tectonic plates moving toward each other10) when 2 plates collide the dencer plate eventually descends below the other less dense plate11) is an imaginary line that shows points that have the same age -that is,they formed at the same time13) a region where two plates slide horizontally past each other15) as the older portion of the seafloor sinks the weight of the uplift ridge is thought to push the oceanic plate toward the trench formed at the subduction zone
 

 

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