This lesson provides insight into the contributions of the great French scientist BLAISE PASCAL (1623-1662). It includes STUDENT WORKSHEETS, a TEACHER’S GUIDE, and a brief POWER POINT PRESENTATION. Upon completion of this lesson students will have a clearer understanding of Pascal’s Principle. Which states that “a force applied to a fluid in a closed container, either liquid or gas, will be distributed equally in all directions." Pascal's Principle explains the workings of both pneumatic and hydraulic jacks as well as other useful machinery.The introductory biography of this great scientist, along with the laboratory worksheets and educator guide included in this download, are a great supplemental recommended for grades 5 through 9.