Rain, rain, go away; Sid the Science Kid wants to play. Sid's not too happy when rain threatens to squash his play date outside. But the more Sid learns about the rain, the more he understands how important precipitation is. In fact, Sid is learning about all kinds of weather patterns and how they affect our world. At school, Sid studies the sun and how it lights up our world. At home, Sid's family visits relatives where it's really chilly.