GreatDiscoveries&SpaceShip1 Crossword
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
 
 
Down: 1) the scientific study of matter and energy2) the gas that comes our of an engine as a waste product3) fake or artificial 4) the outer edges of a city or town5) to be made of two or more different things7) the people who are in charge Across: 1) something that is valuable and should be cared for6) a person who shows no concern for other people, a very cruel person8) to have caught on fire or exploded9) an organization that has a particular focus or goal10) to damage something or a place while looking for for something
 

 

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