Convection Currents

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Across
  1. 5. the difference in pressure between high and low pressure
  2. 6. the transfer of heat within a liquid or gas
  3. 7. is what happens when the air mass warms and becomes less dense, rising above the earth’s surface
  4. 8. cool air moving in from the ocean
  5. 9. a measure of mass per unit volume
Down
  1. 1. ocean conveyor belt system
  2. 2. winds that effect a comparatively small area
  3. 3. is what happens when the air cools, becomes dense, and sinks towards the earths surface
  4. 4. when the ocean pulls cool air from the land