how dose the wind move [I am in junior infants]

Question: how dose the wind move [I am in junior infants]
- Keywords:
  climate,
  physics,
  weather
Asked by Erin to Nathan on 9 Feb 2015.
- Nathan Quinlan answered on 9 Feb 2015:
  
  Good question! When it’s sunny in one place, the air gets warm. Warm air is lighter than cold air, so heavy cold air from another place gets in under the warm air. The wind is that heavy air moving to where the warm air is.

Question: how dose the wind move [I am in junior infants]