Scientific Revolution occurred during the Renaissance, during which mathematics, physics, astronomy, biology, human anatomy, chemistry are developed. All this has led to a transformation in the way of thinking. Knowledge based on ecclesiastical teachings and teachings was no longer undoubtedly accepted, but it all started to be subjected to scientific observation, experiments and the re-examination of traditional learning. This did not only affect the change of attitude and thinking in science, but it also reflected on the everyday view of the world in Europe. This is also reflected in all other spheres of life, people turn away from the Church as the source of a dogmatic way of thinking. Many previous theories were disputed, such as the geocentric system.
The original purpose of the convention was to search for ways to improve the Articles of Confederation. However the Framers changed the purpose to writing a new constitution because they thought the problems were too serious to try correct.
The United States already had a revolution in recent years, freeing them from Britain's rule, and actually helping to inspire the French Revolution. Hope this helped!