myText=Instructions: 1. Hold the flashlight close (10-15cm) and perpendicular to the graph paper. Trace the outlines of the beam striking the surface in pencil. Record the surface area (count the squares). 2. Slowly tilt the paper. KEEP THE FLASHLIGHT IN THE SAME PLACE. Occasionally (but at minimum three times) trace the new area covered by the beam. Record the surface area (count the squares).