Small ripples are produced on the still surface of a pond by tapping the water lightly at a point. A dry leaf is observed floating nearby.
(i) Describe qualitatively the motion, if any, that the leaf executes as the ripples pass beneath it.
(ii) Explain why the leaf does not drift appreciably across the pond even though the disturbance clearly travels outward.
(iii) State two differences between the transport of energy and the transport of matter in this situation.