CAPITALS

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Across
  1. 6. CLOSELY PACKED TOGETHER
  2. 7. THE OUTERMOST LAYER OF EARTH'S ATMOSPHERE; THE LAYER IN WHICH MOLECULES CAN ESCAPE EARTH'S GRAVITY
  3. 8. THE STRENGTH OR ENERGY THAT MOVES AN OBJECT
  4. 10. SUBSTANCE THAT ARE DISCHARGED INTO THE AIR, SUCH AS FROM ENGINES AND FACTORIES
  5. 11. MATTER THAT CAN FREELY CHANGE SHAPE AND SIZE; OFTEN CAN'T BE SEEN
Down
  1. 1. THE WEATHER CONDITIONS IN AN AREA OVER A LONG PERIOD OF TIME
  2. 2. THE FORCE THAT AIR PUTS ON AN OBJECT
  3. 3. TO CHANGE FROM A LIQUID TO A GAS STATE
  4. 4. TO CHANGE FROM A GAS TO A LIQUID STATE
  5. 5. THE MASS OF AIR AROUND EARTH
  6. 6. AREAS OF LAND THAT DO NOT RECEIVE MUCH RAINFALL AND THAT HAVE LIMITED VEGETATION
  7. 9. AN INVISIBLE, ODORLESS GAS THAT PLANTS USE DURING PHOTOSYNTHESIS AND THAT ANIMALS BREATHE OUT AS A WASTE PRODUCT