Examples of chemical change: During a chemical change, a new chemical composition and new properties are formed. Examples of chemical changes are: burning of wood, cooking of food, rusting of iron and souring of milk.
The Black Heritage Trail is a path in Boston, Massachusetts, winding through the Beacon Hill neighborhood and sites important in American black history.
As you might expect, the BLACK surname generally relates to the color black. 1) BLACK is most commonly a descriptive surname meaning one who was black haired or dark complexioned.. 2) BLACK can also be an occupational surname given to or adopted by a cloth dyer who specialized in black dyes.