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.
Black History Month, also known as African-American History Month in America, is an annual observance in the United States, Canada, and the United Kingdom for remembrance of important people and events in the history of the African diaspora.