Conduction, convection and radiation 0.0 / 5 ? PhysicsConduction, convection and radiationGCSEAQA Created by: emewsCreated on: 23-11-17 17:29 True or false? Liquids and gases shrink when they are heated. FALSE! Liquids and gases EXPAND when they are heated. 1 of 5 Why do liquids and gases do this when they are heated? This is because the particles in liquids and gases move faster when they are heated than they do when they're cold. 2 of 5 What are metals good conductors of? Metals are good conductors of heat. 3 of 5 When does convection occur? Convection occurs when particles with alot of heat energy in a liquid or gas move and take the place of particles of less heat energy. 4 of 5 How can heat be transferred? Heat can be transferred by infrared radiation. 5 of 5
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