Aerodynamics
Red, blue and green dyes flow over a white plastic model of an airplane inside a water tunnel

A plastic model of an aircraft is being tested inside a water tunnel. The blue, red and green dyes in the water help NASA see how air moves over the airplane. Image Credit: NASA

      the study of how air flows around an object




Sentences:
NASA studies aerodynamics to make airplanes safer.

Race car drivers study aerodynamics to help make their cars drive faster.




More Information:
http://www.ueet.nasa.gov/StudentSite/aeronautics.html   →
http://www.aeronautics.nasa.gov/fap/all_about_flight.html   →
http://www.nasa.gov/audience/forstudents/k-4/stories/what-is-aerodynamics-k4.html