¡Pop! Presión del aire y del agua (Pop! Air and Water Pressure) 6-Pack

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.

Read Along or Enhanced eBook: Travel to the 22nd century in this captivating, Spanish-translated nonfiction title that allows readers to discover the future of space. Elementary readers will be fascinated with the possibilities that may await human life in the future. Readers will discover the technology that may be used to one day allow humans to live on another planet, new worlds, alien life, and artificial intelligence. Featuring vibrant photos, images, informational text, a glossary of terms, and a list of helpful websites for more explorations, children will be excited and enthralled as...

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. Students will learn about the U.S. Constitution, the Articles of Confederation, the Connecticut Compromise, and the Bill of Rights. 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...

"El cuerpo humano está formado por diversos sistemas muy complejos: el circulatorio, el respiratorio, el linfático, el digestivo, el nervioso ... Y todos tienen que trabajar en perfecta sincronía para mantenernos con vida y funcionando como lo hacemos. Este libro nos lleva en una fascinante travesía a través de nuestra propia esencia, para que podamos no sólo comprender, sino gozar un viaje asombroso a través de la máquina más importante y sorprendente: el cuerpo humano."--Publisher.

Una acurada selecció de textos literaris senzills, amb estructures repetitives pròximes a l'oralitat que faciliten la lectura. El fil conductor de les lectures és una bruixa que decideix canviar de vida i convertir-se en contacontes.

Describes the Boston Tea Party, including the events leading up to the party, its immediate effects on American-British relations, and why it is still an important event today.

La presente obra realiza un estudio exhaustivo del Derecho de las obtenciones vegetales establecido en el Convenio de la UPOV, así como en los ordenamientos de la Unión Europea y de España. El libro se divide en veinticinco capítulos, agrupados en siete grandes bloques temáticos referidos, sucesivamente, al sistema normativo, a los requisitos de protección de las variedades vegetales, al derecho a la protección y el procedimiento de registro, a los efectos de la protección, a las obtenciones vegetales como objeto de propiedad, a la nulidad y a la caducidad, y a la defensa del derecho...