La antigua Roma (Ancient Rome)

Wind Power: A waving flag, blowing leaves, a kite soaring through the skyall are moved by wind power. Wind is also our fast-growing source of energy. Find out how wind forms and the different ways we may use it in the future.

What do churros, macarons, and strudel have in common? In order to bake them successfully, pastry chefs must use fractions! Students will learn comparing fractions while engaged in reading about delectable desserts from around the world. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make learning math easy,...

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these feathered dinosaurs face to face: The Caudipteryx had feathered arms and a tail that looked like a pom-pom! The Sinovenator may have used colorful feathers to attract a mate! The Microraptor may have used its feathers to glide...

Resumen En la actualidad está bien establecido que ciertos trastornos mentales incrementan el riesgo de realizar comportamientos violentos. En particular esto es cierto para el abuso de sustancias y el grupo B de los trastornos de personalidad del DSM-IV (Garrido, 2003). También tendríamos que incluir en esta relación —aunque en menor medida— los trastornos incluidos en el espectro de la esquizofrenia, en particular los síntomas paranoides de amenaza y de control, y en general el estilo cognitivo de personalidad paranoide (Nestor, 2002). No obstante, yo me referiré tan sólo a la...

¿Por qué es importante no malgastar el agua? ¿Qué podemos hacer nosotros para contribuir al ahorro? Acompaña a los protagonistas de esta historia y encontrarás las respuestas a esas preguntas. El libro incluye notas para padres y profesores, así como actividades lúdicas que ayudarán a reforzar su contenido.