El chip experimental

Animal trainers care for many different types of animals! Children will explore some of the methods that trainers use, such as affection bonding and classical and operant conditioning, while simultaneously gaining an understanding of animal instincts and animal rehabilitation. Readers are invited to learn about the variety of animals that trainers work with and are encouraged to find an area of study to focus on if they want to become an animal trainer. With stunning images, interesting facts, a glossary of useful terms, informational text, and an interview with a real-life animal trainer,...

Alice va al último curso en el instituto. Sólo le quedan unos exámenes y podrá presentarse a la selectividad. Mientras, a su alrededor ocurren cosas nuevas, excitantes y desconocidas: el primer amor, la primera vez... Es difícil ser adulto y aprender a ser uno mismo... Además, en su casa las cosas no van muy bien, su padre viaja constantemente por motivos de trabajo, aunque Alice sospecha que hay algo más. El mundo de los adultos es un caos y el suyo también, y encima no parece haber nadie que la ayude a contar las estrellas. Carlo es de los que se sienta siempre en la última fila,...

Learn all about the law of conservation of mass with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new concepts and vocabulary terms with this nonfiction book that explores the law of conservation of mass in detail. Aligned to state and national standards, this leveled text supports students reading at above-, below-, and on-grade level. The fun lab activity encourages students to think like scientists. Keep students engaged in learning with this Spanish book.

Based on the #1 New York Times Best-Selling series, this timeline of world history gives a fresh take on global events, from King Tut to Malala Yousafzai. Basada en la serie más vendida del New York Times, esta cronología de la historia mundial ofrece una nueva visión de los acontecimientos mundiales, desde el rey Tutankamón hasta Malala Yousafzai. For the first time ever, the Who Was? subjects are gathered into a single title! The Who Was? History of the World is a journey along the timeline of history, noting the birthdays of 150 people in the series and what was happening in the world...