Sound and ligh vocab Crossword
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
 
 
Down: 2) the bouncing of light off an object4) the bending of light as it moves form one material to another5) a back and forth movement of matter6) not allowing light to pass through7) lens that is thicker at the edges than in the middle Across: 1) the number of vibrations per second3) a transparent object with triangular ends which separtates white light when passed through it into the specturm of colors or relects beams of light8) allowing light to pass through9) the loudness of a sound10) how high or low a sound is11) allowing only some light to pass through12) lens that is thicker in the middle than at the edges
 

 

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