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214 Arrow-Puffin-1_Semester-1 EVSPeople use wind to make energy. Windmills are a good way to collect the energy of the wind for electricity.? Did You KnowWind forms clouds and causes rains.The tyres of a bicycle, bike, cars and all other vehicles are filled with air. If there is no air, the tyres go flat. We also fill air in a football.Air always moves. Moving air is called wind.Unclean Air and its Harmful EffectsPeople need to breathe clean air to stay healthy. But there are many harmful things like smoke, dust and germs in the air. It can make people sick. It can harm plants and animals too.How do you feel when you take a walk in a busy street?....................................................................................Think and sayLook at these. How are they able to move? AmazingFactsNetherlands is known as the %u2018Land of Windmills%u2019 due to its historic 1200 windmills.