Verdadero: Mixture of different gases, Colourless, Odourless, It has NO definitite shape, It adapts to the shape of its container, Wind is moving air, Air is matter: It has mass and volume, We need air for combustion, Sound travels through air, Hot-air balloons fly because hot air is less dense than cold air, Airships fly because the difference of densities of the gases inside and outside, Falso: Air has colour, Air has odour, It has a definitite shape, It doesn't change the volume according to temperature, Air cannot move, Air isn't matter, Plants need oxygen for the photosynthesis, The sound travels out in the space, Hot-air balloons fly because cold air is less dense than hot air,

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