_Notice a river or brook after a heavy rain or the
melting of the snow._
_See if you can tell where the current of the river is._
_Notice the difference in the current in the wide and
narrow parts of the river._
_Find the parts of the valley that would be flooded if
the river overflowed its banks._
_Notice the little holes that are made in the ground by
the rain._
_See if you can find a ravine made by the rain._
_Model a small river valley showing some of the work of
the rain._
_Change the little pot-holes so as to make them into
caves._
_Change the caves so as to make them into ravines._
_Change a ravine so as to make a valley._
_Tell a story of how a pot-hole became a valley._
_Show in your sand box the way the cave was flooded._