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 price per gram in over 100 currencies worldwide. This page provides you with current gold price per gram in all carats (24k, 21k, 18k, 14k, and 10k).old price per gram in over 100 currencies worldwide. This page provides you with current gold price per gram in all carats (24k, 21k, 18k, 14k, and 10k).