Matter is all around you! Join the Sesame Street gang as they teach young learners about solids, liquids, and gases with simple, accessible text and full-color photos.

About the Sesame Street ® World of Science series:

Explore the wonderful world of science! Ernie, Big Bird, and the rest of your Sesame Street friends make key science concepts like color, light and shadow, and states of matter accessible and engaging for young learners.