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.
Alden /al-den/ [2 sylls.] as a boys' name is pronounced ALL-den. It is of Old English origin, and the meaning of Alden is old friend. Surname used as a given name, though unusual.Kreatif forms: Aldenau, Aualden.lden is a somewhat popular first name for men (#889 out of 1220, Top 73%) and an even more popular surname for both adults and children (#5744 out of 150436, Top 4%). (2000 U.S. Census). Displayed below is the baby name popularity of Alden for boys.