Science/Stages of a Star Crossword
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
 
 
Down: 1) Beginning stage of a star2) How bright a star seems3) How bright a star really is.5) At this stage, particles are attracted together by gravity. First it contracts, then its temperature rises and it begins to shine.6) This is the stage at which our sun is. Across: 4) Stars that have the hottest surface temperature.7) A star at the end of its life that shines diml for billions of years8) Instrument scientists use to look further into space9) Element that causes protostars to shrink10) A star that has expanded to 100 times its size11) Elements needed to forma star12) At this stage, hydrogen runs low and it begins to expand.13) This is when a red giant's atmosphere expands a million times. What is left is a white dwarf.
 

 

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