In the 16th century the scientific revolution was mainly based on understanding ancient philosophies and application. On the other hand, the 17th century started with Isaac Newton's Laws of motion and Celestial discoveries Also came the inventions of laboratory instruments such as Anthony Van Leevenhook's microscope.
Three periods, the Old, Middle, and New Kingdoms, with an intermediate period between the Old and Middle Kingdoms and a second intermediate period between the Middle and New Kingdoms.