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 is an annual celebration of achievements by African Americans and a time for recognizing the central role of blacks in U.S. history. The event grew out of âNegro History Week,â the brainchild of noted historian Carter G. Woodson and other prominent African Americans.