Aqui hay gato encerrado

Describes To Young Readers What Flippers Look Like, That Some Animals Use Flippers To Swim Or Crawl, And Tells Of Different Animals That Have Flippers.

Examines the nature of inclined planes and wedges, how they can reduce the amount of force necessary to perform work, and ways in which they are used.

What continues to expand to take up all the space it can? Gases! Gas is a state of matter, like a liquid or a solid. But it has properties that are quite different. In this Spanish-translated book, read all about the differences and what makes a gas a gas. This 6-Pack includes six copies of this title and a lesson plan.

Se introduce a los niños en la magia de dos tipos de teatro tan antiguos como interesantes: el de las sombras y el de las máscaras. Disponible en catalán, para comprarlo haz clic aquí.