Jennifer, don't feel bad I had to look this up. I have never cleaned my house for Passover either.
"On the evening before Pesach, upon nightfall of the fourteenth day of Nisan, (Sunday evening, April 4th, 2004), a thorough search of the house is made to ensure that no chametz remains. There is a tradition of distributing ten pieces of bread throughout the house, so that the searchers will have something to look for. The family gathers together with a candle for lighting the way, a feather for brushing-up the chametz, and a wooden spoon onto which the chametz is brushed. "