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,

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?