Barbie Me Primer Libro de Pegatinas de Numeros/Barbie My First Number Sticker Book

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Condensada y selectiva, esta historia de la filosofía moral permite al lector situar los textos de ética en una perspectiva histórica, desde la generación homérica hasta los debates anglosajones contemporáneos. De este modo, el libro se ocupa de la mayoría de tipos y escuelas de la ética occidental: de los sofistas, de Sócrates y Platón, a la moderna filosofía moral, pasando por la ética de Aristóteles y la ética griega en general; el cristianismo, Lutero, Maquiavelo, Hobbes y Spinoza; las ideas británicas y francesas del siglo XVIII; Kant, Hegel y Marx; Kierkegaard y...

Learn how streets are fixed, sidewalks get added, and new schools are built with this Spanish nonfiction book. Perfect for young readers, the book includes a fiction story related to the topic, a glossary, an additional project, useful text features, and engaging sidebars. This 28-page full-color Spanish book describes the many ways individuals can make changes in their communities. It also covers essential civics topics such as leadership and voting, and includes an extension activity for grade 2. Perfect for the classroom, at-home learning, or homeschool, to explore voting, local...

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!