There are two types of change in matter: physical change and chemical change. As the names suggest, a physical change affects a substance's physical properties, and a chemical change affects its chemical properties. Many physical changes are reversible (such as heating and cooling), whereas chemical changes are often irreversible or only reversible with an additional chemical change.
The meaning of Drayden is unknown. Its origin is  Modern English . This name is mostly being used as a boys name. Last year it ranked 1,278th in the U.S. Social Security Administration list of most popular baby boy names. This is a modern coinage influenced by the name Aiden.
Dram. A dram is the traditional Scotch whisky measure. Synonyms: bite, catch, drop, finger, jolt, morsel, mouthful, nibble, pinch, portion, shot, sip, slug, snifter, soupcon, taste, toothful.ask. Casks are the oak barrels in which whisky matures. A cask is the generic name for these barrels. They come in various shapes and sizes. In order to be called whisky, the spirit must have matured for at least three years in an oak barrel. Synonyms: barillet, barrel, butt, firkin, hogshead, keg, pipe.