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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.

Este libro de lectura guiado de Nivel Uno examina cómo se celebra la Navidad. Los alumnos desarrollan su capacidad de lectura y reconocimiento de palabras mientras aprenden sobre los preparativos, las tradiciones y los festejos de la Navidad. This Level One guided reader examines how people celebrate Christmas. Students will develop word recognition and reading skills while learning about Christmas preparations, traditions, and celebrations.

What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the things in them. This fact-filled, Spanish-translated nonfiction title includes real-life examples and basic experiments to aid in the development of understanding physic and scientific concepts. Readers will be introduced to and learn about Archimedes Principle, atmospheric pressure, vacuums, water density, and hydraulics...

Esta Ortografía trata de los diferentes aspectos relacionados con la correcta escritura: las letras, las sílabas, las palabras, la acentuación, la puntuación... Este título, junto con cuatro más, forma la Colección de Gómez Torrego, caracterizada por su didactismo, sencillez y claridad. Como el resto de títulos ha sido renovada en 2010 con las últimas novedades académicas