Sound and ligh vocab Crossword
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
 
 
Down: 1) a back and forth movement of matter3) lens that is thicker at the edges than in the middle4) the bouncing of light off an object5) the bending of light as it moves form one material to another10) a transparent object with triangular ends which separtates white light when passed through it into the specturm of colors or relects beams of light Across: 2) how high or low a sound is6) the loudness of a sound7) the number of vibrations per second8) allowing light to pass through9) not allowing light to pass through11) allowing only some light to pass through12) lens that is thicker in the middle than at the edges
 

 

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