"Look," he added. "These pieces of cloth and flannel do the same. We say that india-rubber, cloth, and flannel are elastic. They stretch when we pull them, and spring back when we let go.""But teacher showed us," said Fred, "that there are other things, besides india-rubber, that spring back and are elastic. He showed us a cane, and a stick of whalebone, and bent them to make thetwo ends meet. They sprang back when he let go, because they are elastic.
