Find out more about the scientific method. Science as defined above is sometimes called pure science to differentiate it from applied science, which is the application of research to human needs. Fields of science are commonly classified along two major lines: 1  Natural sciences, the study of the natural world, and.
In the center a bird rising, and surrounding this the inscription Phoenix, Arizona - Incorporated February 25, 1881.. The first horse-drawn streetcar line was built along some 2 miles of Washington Street in 1887, and the kick off of this new mode of transportation was on Nov. 5.
The oldest incorporated place in Arizona is Tucson which incorporated in 1877 and the most recent was the town of Tusayan which incorporated in March 2010. As of 2010, Phoenix, the capital and largest city in Arizona, is ranked as the sixth most populous city in the United States.Other Arizona cities among the 100 most populous in the country are Tucson, Mesa, Glendale, Chandler, Gilbert and Scottsdale.ther Arizona cities among the 100 most populous in the country are Tucson, Mesa, Glendale, Chandler, Gilbert and Scottsdale.