Wind

Questions:

What causes the wind?
Wind is caused by the uneven warmth of the Earth's surface.


Picture




What is the physics of wind?
When the air is heated up by the sun, it moves up and is changed by cool air that dashes in.

List some good and bad effect of wind

Good things:

• It pollinates the plants
• It works the windmills
• It gives us energy

Bad things:

• Can reduce the local bird population
• Noise disturbances
• Can start disasters (e.g hurricanes, tsunamis..)

Wind activities

• Paragliding
• Kite sailing
• Sky diving
• Kite flying

Where I got my information:

Positives and Negatives (1)

Positives and Negatives (2)