Wind and lift

What causes wind?

We saw in our experiment that cause air ,or ,to move .This is the same force that make the

Wind .The sun heats up the earth, and that causes the air to heat up .That hot air then moves

upwards,

and other cold air has to move in to take it's place.This movement of the air is the wind

The picture above shows how it works with the sun causing warm air

Effects of the wind

If we had no wind the weather would always be the same