Mezclas y soluciones (Mixtures and Solutions)

"Describes the U.S. Army in action, including their vehicles, weapons and equipment, and jobs."--From source other than the Library of Congress

Equality is a contentious issue in our society today. This is why it's important for students to be given information related to equality so they can come to reasonable conclusions of their own. Using age-appropriate language, this book discusses equality in a number of different forms and touches upon why equality is so important in a democracy. The text also explores how extreme equality, like most extremes, could be a bad and unrealistic idea. Readers will gain enough information to understand and think about this complex idea for themselves.

Ciencia para niños es sobre todo un libro divertido que interactúa constantemente con el lector y lo sumerge en las maravillas de la ciencia. Su principal objetivo es acercar la ciencia a los niños a través de un viaje por la ciencia y la tecnología. Se trata de un viaje en el tiempo, desde la actualidad hasta la antigüedad y, a su vez, por diferentes rincones de la tierra y por la inmensidad del universo. Disponible en catalán, para comprarlo haz clic aquí.

How does a frog grow? Beginning as a tiny egg and then a tadpole, a frog stays mostly in the water until it is fully grown.