Description The fourth installment of weird questions children ask, in novel format. Pachi loves ice cream, noodles, and tangerines, among other foods. But he also loves asking his scientist dad questions. In this volume they will both explore the whys of the world of things: why do we see ourselves upside down on a spoon? How does soap get rid of dirt? Who invented paper? What happens when water boils? among many other fun questions.