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Radioactivity Answered

how do i tell if something is radoactive?

Tags:science

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kelseymh

10 years ago

An electroscope is a really simple tool to give you a yes/no answer. Charge it up with static, and in the presence of a beta or alpha source it'll be slowly discharged.

Alternatively, just tape it to your belly for a few weeks, and see if you develop a tumor in the next ten years or so ;-)

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sci4me

10 years ago

Its just that my friend says this rock is radioacive so i want to prove him wrong and i wood kinda like to experiment with stuff and see if i could read any radioactivity.-

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killerjackalopesci4me

Reply 10 years ago

If you want to reply directly to people, use the reply button on the bottom right of their comment, otherwise they won't know you've replied.

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sci4me

10 years ago

My friend just found a random rock and said its radioactive

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Tool Using Animal

10 years ago

I'm not a hundred percent sure this will work, but in a pitch black room you could try holding it against a TV screen ( the cathode tube kind) if it's sufficiently radioactive there should be some scintillation from the phosphors.

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lemonieTool Using Animal

Reply 10 years ago

If it's a CRT & the activity gets through the thick glass - good idea. L

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Kiteman

10 years ago

What is it you are worried about?

If you do not have a Geiger counter, you could try making your own cloud chamber, and seeing if you get more tracks when the object is placed near (or inside?) the chamber.

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killerjackalope

10 years ago

Various ways, as monk suggested a Geiger counter would be a straightforward was, though there are various contraptions that would react to radioactivity. Though remember the world is radioactive, to some extent, there's background radiation from multiple things which is there all the time...