Cómo funcionan los imanes (How Magnets Work)

What is my period exactly? Do I need to see a doctor? What does it feel like to wear a pad? What if I get my period at school? Karen Gravelle and her fifteen-year-old niece, Jennifer Gravelle, have written a down-to-earth and practical book that answers any questions you might have about your period, from what it is and what it feels like, to how to choose pads and tampons, to how to talk to your parents about it. The Period Book will help guide you through all the physical, emotional, and social changes that come with your period, as well as related issues like dealing with pimples, mood...

Encuentra las respuestas a 70 preguntas sobre el espacio. �En qu� se diferencian los planetas de las estrellas? �Por qu� no sentimos que la Tierra se mueve? �Qu� origina las estaciones en la Tierra? �Hay vida en otras partes del universo? Puedes convertirte en un experto del espacio y sorprender a tu familia y a tus amigos con datos fascinantes. Cientos de datos e ilustraciones impresionantes que describen la belleza de nuestro universo con detalles espectaculares.

La obra de Hebert Abimorad es, desde este punto de vista, sólida, coherente, compacta, fiel a sí misma. Desde otra perspectiva, se nos presenta como una escritura creativa diseminada, plural, abierta, en continuo recambio y búsqueda interior, que se exterioriza en sus nuevos textos, que se verbaliza en sus otros “yo”, en su heteronimia militante e ineludible: Martina Martínez, José José, Camilo Alegre, Flor de Condominio. Acto discursivo de travestismo, emergencia de la multivocidad que nos provoca a todos, y de la que sólo los poetas (y algunos seres enajenados o separados del...

Students will learn area and perimeter while engaged in reading about a day in the life of a contractor! This Spanish engaging book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of contents will increase students' interest level and their interaction with the...