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.
Over the course of the year, the temperature in Phoenix typically varies from 45Â°F to 107Â°F and is rarely below 38Â°F or above 112Â°F. The hot season lasts for 114 days, from May 29 to September 20, with an average daily high temperature above 98Â°F. The hottest day of the year is July 5, with an average high of 107Â°F and low of 84Â°F.