Interesting science facts explained in a simple way in form of rhyming poems. Here you can find the answers to such questions as: Why is the sky blue? What is a rainbow? What are the four states of matter? How to determine the four directions - north, west, south and east? What are the four main forces of the Universe and what do they do? What is divine proportion or golden section and how to find it in nature? Illustrated. For ages 5 - 11.