6th Grade Q4

1234567891011121314151617181920
Across
  1. 1. The state or quality of being stable
  2. 3. The lowest layer of Earth's atmosphere
  3. 4. to move from one place to another
  4. 8. rise and fall; continual variation; change
  5. 9. A gas produced by bacteria from hydrogen and carbon dioxide
  6. 10. A gas that is expelled from the body by the respiratory system.
  7. 11. a collection of small water droplets or ice crystals suspended in the air, which forms when the air is cooled and condensation occurs
  8. 12. water in the form of a gas
  9. 13. The condition of Earth's atmosphere at a particular time and place.
  10. 15. things humans do that impact the environment
  11. 17. The horizontal movement of air from an area of high pressure to an area of lower pressure
  12. 18. the process of burning something
  13. 19. The ability to do work or cause change
  14. 20. a general direction in which something is developing or changing
Down
  1. 2. an amount of air that moves as a unit
  2. 5. The change of a substance from a liquid to a gas
  3. 6. Change in the statistical properties of the climate system when considered over periods of decades
  4. 7. The change of state from a gas to a liquid
  5. 14. A colorless, corrosive gas directly damaging to both plants and animals.
  6. 16. A mixture of gases that surrounds a planet or moon.