PurposeTo help students utilize scientific methodology to calculate acceleration due to gravity. To illustrate the connection between technology and research.ESSENTIAL QUESTIONWhat is acceleration due to gravity? What is the relationship between the speed of falling objects and the height from which they fall?Professor Pi’s Math Note3-4-5 Triangles (Pythagorean Theorem)SUGGESTED MATERIALS2.5 meter-long smooth board for class demoor 1 board for every 6 students (the track)or DIY version from home