Summary Collect data on humans sound detection, touch sensitivity and reaction time. Understand the underlying physiology. Science content Biology: Sensing, Organ Systems (4, 5, 6) Activities in this lesson Sound frequency detection Touch sensitivity Reaction time Procedure Do each of the activities in turn, collecting and graphing class data in each case. Notes isas skipped reaction time Grades taught Gr 4 Gr 5 Gr 6 Teaching Site Britannia Elementary ingridscience afterschool
