Blow Wind, Blow is a quite old nursery rhyme. But the kids love it, and it is still in use in many schools and preschools. This rhyme illustrates the relationship between wind, corn and bread in a great way. The wind makes the mill go. The mill grinds the corn into flour, and the flour is used to make bread. Try to explain such relationships in nature to the children. Another example is grass, cow, milk and cheese...