Quiz: where radioactivty comes from

"Background radioactivity" is	CHOOSE flying in high-altitude aircraft radiation all around us, mainly natural. gamma rays from space in East Anglia in Cornwall your job, and where you live. radon gas
Most of the background comes from	CHOOSE flying in high-altitude aircraft radiation all around us, mainly natural. gamma rays from space in East Anglia in Cornwall your job, and where you live. radon gas
The amount of background radiation you receive depends upon	CHOOSE flying in high-altitude aircraft radiation all around us, mainly natural. gamma rays from space in East Anglia in Cornwall your job, and where you live. radon gas
The background level is particularly high	CHOOSE flying in high-altitude aircraft radiation all around us, mainly natural. gamma rays from space in East Anglia in Cornwall your job, and where you live. radon gas
Cosmic rays are	CHOOSE flying in high-altitude aircraft radiation all around us, mainly natural. gamma rays from space in East Anglia in Cornwall your job, and where you live. radon gas
You can increase your radiation dose by	CHOOSE flying in high-altitude aircraft radiation all around us, mainly natural. gamma rays from space in East Anglia in Cornwall your job, and where you live. radon gas
The background level is particularly low	CHOOSE flying in high-altitude aircraft radiation all around us, mainly natural. gamma rays from space in East Anglia in Cornwall your job, and where you live. radon gas

Your score is:

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Created by Andy Darvill, www.darvill.clara.net,Science teacher at Broadoak Community School, Weston-super-Mare, England