Science :) Crossword
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
 
 
Down: 1) a large piece of the earth's crust3) a liquid layer of iron and nickel5) a massive wave that is triggered by a volcanic eruption or earthquake on the ocean floor. It can cause widespread damage.6) able to flow slowly7) a solid layer of nickel and iron Across: 2) one super land mass that formed of all the continents into 1. (It formed 250+ million years ago)4) the outside layer of the earth's surface made of solid rock8) the layer below the crust. it is much thicker than its outer layers, and the lower mantle is semi-molton, allowing it to flow slowly9) used for the idea that the plates moved around in the distant past, and are still moving today10) the study of the movements produced by earthquakes
 

 

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