Sidewalk chalk is typically large and thick sticks of chalk made of calcium sulfate (gypsum), instead of calcium carbonate (rock chalk). It comes in multiple colors and is mostly used for drawing on pavement or concrete , frequently four square courts or hopscotch boards. Blackboard chalk, typically used in educational settings, is shorter and thinner than sidewalk chalk.
There are several different types of sidewalk chalk, typically coming in solid-colored sticks. 3-D sidewalk chalk sets, in which each stick of chalk is created with two particular colors that appear 3-dimensional when viewed through the 3-D glasses that come with the chalk, also exist.3-D sidewalk chalk. (2008). Scholastic Parent & Child, 16(2), 14.
Sidewalk chalk can be cheaply homemade from water, paint and plaster of Paris.Make your own sidewalk chalk. (1998, July 21). Christian Science Monitor. 13.
Some teachers promote use of sidewalk chalk on a carpet as an interactive teaching tool.Davenport, J. (2007). Classroom essentials. Teacher Magazine, 18(4), 16.
Although sidewalk chalk is created to allow people to draw on sidewalks or pavement, some law enforcement agencies may prohibit sidewalk drawing in certain areas without first being requested for authorization.Boretz, A., & Beever, J. (2010). Where the sidewalk ends. Publishers Weekly, 257(41), 34.
There are many for chalk , including the Pavement Art Competition in the Bold Street Festival in Liverpool in 2010.
The largest sidewalk chalk festival in the world is the Pasadena Chalk Festival, held annually in Pasadena, California.Day, Brian (June 20, 2015). World's largest chalk art festival draws a crowd in Pasadena. Pasadena Star-News. Retrieved August 21, 2016. The 2010 edition involved about six hundred artists of all ages and skills and attracted more than 100,000 visitors.Day, Brian (June 20, 2010). Pasadena Chalk Festival called the world's largest street-art festival. Los Angeles Daily News. Retrieved August 22, 2016.
Sidewalk Sam was well known in the Boston area for his reproductions of European masterpieces, chalked or painted on the sidewalk."In Boston, There Is A Danger of Stepping On, Say A Rembrandt," by Laird Hart, The Wall Street Journal, July 17, 1974, page 1.
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