1) Which one of these objects will emit the most infrared radiation. a) water b) ice c) steam 2) Which one of these will emit the most infrared radiation? a) Sun b) Earth c) Moon 3) Look at this image. What is the approximate temperature of the cake? a) -10 b) 0 c) 10 d) 20 e) 30 f) 40 4) Which one of the following can infrared radiation not travel through. a) Space b) Vacuum c) Brick wall d) Air e) Water f) Window 5) Which of the following is not a green house gas. a) carbon dioxide b) oxygen c) methane d) water vapour 6) Infrared radition that is emitted from the Sun and passes through the Earths atmosphere has a ................. wavelength a) short b) long 7) When the Earth is heated up by the Sun it emits infrared radiation with a ................... wavelength a) Short b) Long 8) Infrared radiation that is absorbed by green house gases has a ___________ wavelength. a) short b) long 9) We can help stop global warming and reduce the amount of green house gases being emitted by....... a) stop burning fossil fuels b) recycle c) turn of lights when not in use d) use public transport e) all of the above 10) Which of the following emits infrared radiation. a) ice b) liquid nitrogen c) ice cream d) snow e) Fire f) All of the above

IR quiz

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