Vocabulary Quiz Crossword
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
 
 
Down: 1) an object that goes through a change but does not change it's identity or properties.2) occurs when a liquid changes into a gas without boiling.3) occurs when metal is exposed to air and turns a different color. Across: 4) a change that produces new matter with different properties from the original matter.5) a force between surfaces that slows objects or stops them from moving. This force can produce heat.6) a change that forms a solid brown material over iron.7) any change in the speed or direction of a moving object.
 

 

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