Rocks become smoother as rough and jagged edges break off. Students run a model of this process by shaking sugar cubes and gravel together in a plastic container. The sugar cubes become smoother as their edges break off when they collide in the container.
By Diane Alter, Contributing Writer, Money Morning -. Gold prices today (Friday) climbed $18.90, or $1.66%, at $1,158.90, which was a six-week high for the precious metal. Gold prices today climbed after the release of the latest Federal Open Market Committee (FOMC) minutes.
Best Answer: The quoted price of gold ($1,100 plus per ounce) is for pure gold (24 carats). Most reputed jewellers will pay you the current market price for the pure gold portion of the jewellery.However, since most jewellery in North America is made from lower quality gold (often 18 carats or less), you will get less than $1,100/ounce.As for pawn brokers, they may pay whatever they can get away with.ost reputed jewellers will pay you the current market price for the pure gold portion of the jewellery. However, since most jewellery in North America is made from lower quality gold (often 18 carats or less), you will get less than $1,100/ounce. As for pawn brokers, they may pay whatever they can get away with.