True/False Engineer

True/False: Design, weight and rudders are all things that can affect paper airplane flight.

True/False: Engineers consider the purpose (cargo, speed, distance) of the airplane before designing it.

True/False: Engineers make models of things like airplanes to test their ideas in a laboratory setting before they build the real thing?

True/False: When an engineer designs and builds something, it usually works the first time and they are done.