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I am everywhere
I am weightless
You can see me.
If you put me in a Bucket,
Bucket gets lighter.

Who am I?

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  • $\begingroup$ I heard this puzzle on a kids TV show, long time ago. $\endgroup$ – Rahul Bali Apr 29 '16 at 17:48
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Are you

a hole?

I am everywhere

This probably either refers to holes all around us, e.g., keyholes, or anywhere we have air, i.e., not a solid object.

I am weightless

A hole means lack of substance, so no weight.

You can see me.

You can see the hole due to the fact you can see through it.

If you put me in a Bucket, Bucket gets lighter.

Putting holes in a bucket removes material and makes it lighter.

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    $\begingroup$ Good answer - I wonder also does the answer with a 'w' in front of it sound like everywhere. $\endgroup$ – Tom Apr 25 '16 at 8:39
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You could be

light

...beause...

Light is found everywhere (all matter at temperature above absolute zero emits thermal electromagnetic radiation) Photons have zero mass (weightless) You can see light (depending on frequency of course) And if you 'put' light in a bucket (shine a torch on it, add a candle, etc), the interior of the bucket is less dark, i.e. lighter.

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  • $\begingroup$ seems good, though, lighter refers to weight in the puzzle. :-) $\endgroup$ – Rahul Bali Apr 24 '16 at 9:53
  • $\begingroup$ Bucket gets lighter If I shine a light, then did that fit the phrase? I don't think so. $\endgroup$ – Rahul Bali Apr 25 '16 at 10:04
  • $\begingroup$ Would have been my answer as well, phisically something weightless and visible reminds me of photons. $\endgroup$ – Pierre Arlaud Apr 25 '16 at 11:30
  • $\begingroup$ @RahulParashar - "holes" are not everywhere, "space" and "light" are. Putting space into a bucket only makes it lighter if it displaces something in the bucket. Putting light into a bucket certainly makes the bucket lighter (in brightness), therefore "light" is the correct answer. $\endgroup$ – Jonathan Allan Apr 25 '16 at 21:34
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    $\begingroup$ @justhalf I did not dispute that fact, just that holes are not everywhere - indeed, even if there is no matter that can fall out through said hole the bucket will still be lighter (it will have a hole in it). $\endgroup$ – Jonathan Allan Apr 29 '16 at 12:06
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clouds

they are weightless but existed but can not an are weightless till they shift form into drops from the water vapors that forms them.

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