G8 Science Ch6 S3-4 Crossword
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
 
 
Down: 1) A rapid reaction between oxygen and fuel that results in fire; the process of burning fuel to produce thermal energy.2) A material that decreases the rate of a reaction.4) A material that releases energy when it burns.6) A material that increases the rate of a reaction by lowering the activation energy. Across: 3) A biological catalyst that lowers the activation energy of reactions in cells.5) The minimum amount of energy needed to get a chemical reaction started.7) The amount of one material in a certain volume of another material.
 

 

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