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by Stepper on October 19th, 2009
There are many things that could allow for such an effect. Basically anything that is heavy enough to counteract the boyancy effect of water, and is also able to provide a liquid seal.
A ball of apoxy would probably do it. A very large marble would, as would a round piece of rubber.
You've lots of possibilities.
by walter3ca on October 19th, 2009
A tampon.
by the guy behind the bushes on October 19th, 2009
is it a spong
by Keysha on October 19th, 2009
Think of something that is small enough to fit in a bottle, will absorb enough water to expand and plug the opening, that floats on water.
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You're reading My earth systems teacher gave me a challenge. A 2 litter bottle painted black, water is in the botte. When tipped over water comes out but then stops. I need to know what the item is that is in the bottle. The clues are it is a common household item.
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