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.
Definition of black. 1  1a : of the color black (see 2black 2) a black sweater a black dog as black as coalb (1) : very dark in color his face was black with rage (2) : having a very deep or low register (see 1register 4b) a bass with a black voice (3) : heavy, serious the play was a black intrigue.