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.
Divide today's gold price in dollars per ounce by 31.1 to get today's gold price per gram. For example, if todayâs price per ounce is USD$1,600, then todayâs price per gram is USD$51.45 (USD$1,600/31.1).