Science 1.18 Crossword
            
            
            
            
            
            
            
            
            
            
            
            
 
 
Down: 1) term for any light ray that hits a surface and bounces off2) they allow light to pass through in a straight line Across: 2) materials scatter light in different directions. It's hard to see through them clearly.3) materials block light completely4) takes in all the others5) term for any light ray that hits a surface and bounces off
 

 

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