depends who signed it
Well it really depends on which 15 players signed the ball. :)
if signed by all players then 150 -200 dollars
25 dollars
100000
They are usually called a goalie, or the keeper.
at maximum $0.00 because US team stinks...
It isn't called soccer ball because the soccer ball is the ball you use in soccer. See? I have actually heard people call it soccer and soccer ball.
A punctured ball is usually called a "burst ball" in soccer parlance.
As it's the US team, maybe about 5 - 10 thousands US$
Value of any collectible depends entirely on what a buyer is willing to pay for the item. When there is a collection buyers, either prospective or historic there is said to be a market. In this case, unless you have solicited or received a specific offer for the ball, I'm afraid there is no market for a soccer ball signed by a collection of semi-professional indoor soccer players who no longer play at the Spectrum. Try placing it on eBay to determine it's market value.
Yes, the mass of a typical bowling ball is greater than the mass of a soccer ball. A regulation bowling ball usually weighs around 6-16 pounds, while a standard soccer ball weighs about 0.4-0.5 pounds.