Science 0.0 / 5 ? PhysicsKS3 Year 8 topicsOtherNone Created by: niamh.richardsssCreated on: 27-03-15 20:42 Name all 7 nutrients? Water, Carbohydrates, Protein, Fats, Vitamins, Minerals, Fibre 1 of 6 What are the best conductors of energy? Metals 2 of 6 What is convection? It is the circulation of a fluid (liquid or gas) caused by heating it 3 of 6 What is radiation? Infrared radiation is energy transfer by electromagnetic waves 4 of 6 Do all objects give off infrared radiation? Yes! 5 of 6 Do you think an object has to be hotter or colder to give off more infrared radiation? It must be hotter to give off more radiation in a certain ammount of time 6 of 6
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