Science Class Vocab Crossword

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Across
  1. 2. the pressure that a column of air exerts
  2. 5. gas in atmosphere that reduces radiation
  3. 7. mass per unit volume
  4. 8. transfer of thermal energy by waves
Down
  1. 1. a thin layer of gasses surrounding earth
  2. 3. thermal energy from 2 different partials
  3. 4. protects earth from radiation
  4. 6. thermal energy conducted through a object