The Sight Behind Science Crossword
           
           
           
           
           
           
           
           
           
           
           
 
 
Down: 1) gives off light and makes the area around it brighter.2) it gives off light.3) bounces back without passing through the surface.4) guess or estimate the size or amount of something. Across: 5) “light”.6) you can see through it.
 

 

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