Convection 0.0 / 5 ? PhysicsConductionGCSEWJEC Created by: Cari.brownCreated on: 14-04-16 21:01 What happens when a substance is heated? It expands 1 of 6 When a substance expands, what does it become? Less dense 2 of 6 When it's less dense the more it… Rises 3 of 6 When the warm fluid cools, what will it do? Begin to extract 4 of 6 If it's more dense the fluid will…? Sink 5 of 6 What is the convection current? The cycle of rising and falling 6 of 6
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