Ocean Currents Crossword

carries heated air up and drops cooler air down
happens when air cools, becomes dense, and sinks to the surface of Earth
happens when air warms, becomes dense, and rises above Earth's surface
difference in pressure in between a low and high-pressure
winds that effect small areas
warm air that come from land goes to the ocean and cool air from the ocean flows to the land
warm air from the ocean flows to the land and cool air from the land flows to the ocean
rising and falling of warm and cool air
the number of heat units needed to raise the temperature by one degree
a mixture of gases that surround the Earth