La cebra

Manual de campo para descubrir aves y pájaros. Observar y reconocer las aves en su medio natural, en libertad, diferenciarlas por el color y forma de su plumaje, por la silueta que tienen en vuelo o por su canto es una experiencia magnífica para realizar en familia, durante cualquier estación del año y en cualquier lugar de la península Ibérica. Esta guía de aves y pájaros presenta las 50 variedades de aves más comunes en nuestros humedales, bosques y riberas de ríos y estanques, litorales marítimos y extensas áreas de diferentes cultivos agrícolas, así como en algunas zonas...

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.

"Simple text and photos present the seasonal weather cycle and activities to do in each season"--Provided by publisher.

What is the common good and how does it benefit society? This book looks at the history behind the notion of the common good, touching on ideas from several famous philosophers. Readers will then learn how the common good can be promoted through education and community. Full-color photographs and accessible language help students connect with the text and develop reading comprehension skills. Important elementary subjects from the C3 Framework for Social Studies are discussed in detail throughout this informative book.