True: Fluids expand when heated, Solids expand when heated, Particles move faster when they have more energy, If particles move faster, they take up more room., If the density of the air is lower than the surrounding air, it rise, Hot air rises, Convection happens in fluids, Fluids are things that flow, i.e. liquids and gases, Particles always stay the same size, False: Particles expand when heated, The density of the particles decreases when they have more energy, Solids contract when heated, Air contracts when heated, Cold air rises, Convection happens in solids, Conduction happens in fluids,

Convection True or False

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