1) Infra red Radiation can travel through a vacuum a) True b) False 2) Heat energy from the Sun gets to the Earth by  a) Conduction b) Convection c) IR Radiation 3) Emit means a) gives out b) takes in c) reflects d) absorbs 4) Absorb means a) gives out b) takes in c) reflects d) emits 5) The best colour for an object to be a good emitter of radiation is .. a) White b) Black c) Silver d) Gold 6) The best colour for an object to be a good absorber of radiation is .. a) White b) Black c) Silver d) Gold 7) White things are poor absorbers of radiation because a) the waves reflect off the surface b) the energy is absorbed by the surface c) they get dirty easily 8) Radiators in a house should be painted a) black b) white c) silver d) doesn't matter 9) The best absorbers of radiation are a) white and shiny b) white and matt c) black and shiny d) black and matt 10) The best emitters of radiation are  a) white and shiny b) white and matt c) black and shiny d) black and matt

Knowledge Retrieval - Infrared Radiation

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