O Grande livro da água

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impact it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, this title will inspire and engage children.

"Campus Sur es un nuevo curso intensivo de español para universidades creado: •Para los que trabajan en el ámbito universitario y quieren un manual eficaz en ese contexto. •Para quienes buscan un enfoque panhispánico: los países de América Latina y España están ampliamente representados. •Para los profesores que quieren experimentar técnicas de clase invertida (flipped classroom). Las unidades permiten que los alumnos y las alumnas trabajen previamente de forma autónoma y luego, en el aula, de manera colaborativa. •Para los que buscan trabajar con documentos variados,...

The skeletal system is made up of bones. They support and protect your body and help it work. Some bones help you run, or pick up a pencil; others protect organs, like the skull, which protects your brain. Learn about bones, joints and more in this informative book.

These biographies introduce young readers to important figures in American history. Ideal for reports and correlated to the social studies curriculum, the series presents a straightforward account of each individual's life and times and describes how each person contributed to the shaping of our nation.