El magnetismo (Magnetism)

The US president is the face of the United States to the rest of the world. However, he or she doesn’t have unlimited power within the country. The president has certain powers given by the Constitution, including the ability to make treaties, appoint some important government officials, and veto laws. Readers learn the many duties of the president in simple, clear language appropriate for both younger readers and older readers looking for a succinct review of the topic. Fact boxes supplement the main content with important details about checks and balances, amendments, and more that affect...

Newton's laws aren't the easiest science topics to digest. Struggling readers likely find understanding them even harder. This volume breaks down the topics of force and motion to its most basic and understandable parts, perfect to introduce to readers having a hard time or students looking to review for class. Written in succinct language, each chapter contains fact boxes and graphic organizers to aid all readers as they move from speed, to velocity and on.

16 vidas extraordinarias de personas que luchan cada día por salvar el medio ambiente. 16 historias para los pequeños héroes que salvarán nuestro planeta. ¡Somos la última generación que puede cambiar el mundo! Nunca se es demasiado jóven para salvar el mundo. Este es el mensaje que transmiten los 16 cuentos de este libro. 16 vidas extraordinarias de personas que luchan cada día por salvar el medio ambiente. 16 historias para los pequeños heroes que salvarán nuestro planeta. De Leonardo di Caprio a Emma Watson, pasando por supuesto por Greta Thunberg o Pierre Rabhi (considerado...

De una forma sencilla, se muestra que nuestro origen reside en el cariño y amor de los padres, al tiempo que se informa al niño con naturalidad sobre las diferencias entre los sexos. La guía de padres sostiene que el ejemplo, la espontaneidad y la veracidad son las vías más eficaces para una buena educación sexual. El cuento va acompañado de una amena guía de padres que contiene reflexiones prácticas para abordar pequeños problemas. Disponible en catalán, para comprarlo haz clic aquí.

What has a head, two tails, and shoots across the sky? A comet. Coming from the far edges of the solar system, most comets travel around the Sun, while meteors appear as flashing streaks of light in the night sky. Explore these amazing celestial wonders as they zip through space! This book looks at the difference between comets and meteors and their effects on Earth. The physical characteristics of each are identified in detail. This book won’t come crashing down! It’s filled with fun facts that give additional information on this exciting science topic. This book allows students to use...

Two books in one, this oversized volume shows readers the plants, root systems, insects, fossils, animals, mines, gems, minerals, and man-made wonders such as tunnels, subways, submarines, pipes, cables, and power lines that can be found underground or underwater in an unforgettable visual way. Each page takes you deeper and deeper under the waves or through layers of earth.