The implementation of the eleventh inquiry involved children expanding on their exploration of the big idea "Where did it go?" The children wanted to study the motion of an object passing through another. In this activity the children explored tubes suspended from the ceiling. The children noticed that these tubes had several openings like last week’s tubes but some of the openings were blocked with tape. Some of the children tried to put a marble through an opening and said "It's not going in!" Some of the other children were confused about how to get the marble out of the tube. They experimented by shaking the tube and tilting the tube in different direction to get the marble out of an opening. The children had to problem solve to get the marbles out of the tubes. Some concepts the children learned during this activity include the concept of motion, cause and efface, fine motor skills and directionality.