ANEMOMETER OBJECTIVES:   1.   To construct and use an anemometer 2.  To investigate wind speed MATERIALS:   4 paper cups of equal size and shape (rotating cups) 1 piece of wood, 15 cm square (or 6 inches) (base of instrument) 1 12” long large dowel rod two wooden 12” rulers (with a hole in the center), or 12” strips of          wood and drill a hole in the center of each (arms of instrument) glue 2 nails 1 washer    8 thumb tacks tape hammer red marker or red paint stopwatch or clock with a seconds hand Base (6” square) Dowel rod (12” long) Spinning arms (rulers)