Convection

2. A current of warm air that rises because it is less dense than the air around it.
5. Lack of warm summers. Very cold with lots of snow and strong winds (61-90 degrees latitude).
6. Middle Region. Changes between summer and winter are not extreme (31-60 degrees latitude).
8. Horizontal movement of ocean water on the surface.
11. Winds that blow from west to east in the temperate region.
12. Winds that blow from east to west and toward the equator in the tropical region.

1. Winds appearing to curve due to the Earth's rotation.
3. Named by the direction from which they blow. There are 3 major belts in each hemisphere.
4. Winds that blow from northeast to west in the polar region.
6. Warmest and most humid region of Earth (0-30 degrees Latitude).
7. Warm ocean current of Northern Atlantic Ocean.
9. A narrow current of strong wind that blows in the upper troposphere from west to east.
10. The average weather conditions of a certain region.