what causes wind flow??

Question

i'm doin' a project and i have to know what causes wind flows and it's effect to human life....

Answer 1

What is wind?
Wind is the movement of air over the surface of the Earth, from areas of high pressure to low pressure. But what causes the changes in pressure? There are a few concepts that we will have to explore to find exactly how this works, but ultimately all the energy on our planet comes from the Sun.

The Sun gives out all sorts of radiation, including heat and light energy, and is so powerful that it radiates 170,000,000 GW of energy to the Earth! Thats more energy in a second than all the electricity used in the UK in a month! When this energy reaches the Earth, the ground and other surfaces absorb it, and heat the surrounding air. It's these differences in temperature, together with the rotation of our planet, that create the wind.

About 1 to 2 per cent of the energy coming from the sun is converted into wind energy, which is enough to meet the electricity needs of the world three times over, and is a source of power that will never run out.

I HOPE THAT HELPS

Answer 2

a lot warm and cold air the movements of the earth in other words the air is like water in a jar any kind of force will set it in flow be it temp or the wane of the moon or sun or something man did it will only move unless something contacts it even the spin of the earth works on the wind

Answer 3

Due to high and low pressure systems which are caused by the unequal heating of the earth's surface by the sun due to many local factors.

Answer 4

The tides which are caused by Gravity and the Earth's rotational path around the sun.