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.
Gold Rate In Saudi Arabia. Gold Price Today is 154.673 SAR /gram 24K, 146.674 SAR /gram 22K, 138.218 SAR /gram 21K, 118.474 SAR /gram 18K. Gold Rate Today show Latest gold price by SAR , Also Show Live gold price chart and Gold price history .