Experimentos sencillos con la naturaleza

13 cuentos bellamente ilustrados, recogidos en el remoto Valle de Atríz, viajan hacia tí, incansable lector, para llevarte a conocer la tradición del pueblo que vive y ama al pie del coloso Ninan-Urcu, la Montaña de Fuego, al sur, muy al sur de la tierra colombiana. Vamos juntos hasta allá.

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.

Resum: Les dones de Tunísia manifesten la lluita que s'esdevé en elles per aconseguir la llibertat i la igualtat respecte l'home. La dona se sent en els límits de la desil·lusió i, és per això, que opta per oposar-se a les tradicions i als tabús.

How do you truly engage students in learning history? When students make personal connections to the subject, they're much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. This primary source book focuses on the history of California's missions. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with information and primary source maps, images, and documents,...