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

 

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