Trade winds blow from north to south.

A supercell is a very large battery.

Air is heaviest at sea level.

A rip current is a patch of turbulent air.

Monsoon winds are found in several regions of the world.

Farmers plant windbreaks mostly for decoration.

Aerosols are small particles.

Kites are ancient toys and scientific instruments.

The trade winds are found near the Equator.

Monsoons are the result of the meeting of heat and cold.