Air Pressure crossword puzzle

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Across
  1. 2. A type of weather that can be caused by high air pressure
  2. 7. When you
  3. 8. When air molecules are pulled down by gravity
  4. 10. A tool that is used to measure altitude
  5. 11. When this occurs the weather is stormy and cloudy
Down
  1. 1. When this occurs the weather is sunny and clear
  2. 3. The amount of air pressure in a certain area
  3. 4. An element used to make a tool to measure altitude
  4. 5. A type of weather that can be cause by low air pressure
  5. 6. from a high pressure area to a lower one
  6. 9. multiple layers of gases and can have many different pressures of air