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.
Crandall /cran-dall/ [2 sylls.] as a boys' name is of Old English origin, and the meaning of Crandall is  valley of cranes. Place name. Dell is another term for a small valley.