La Energía Solar (Solar Energy)

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

"In this compilation, the author invites us to play with sounds, meanings, and the rhythm of words. The illustrated poems have a variety of motifs, such as insects, stars, people in love, the calendar, and some witches who go to the supermarket. This is an opportunity to introduce children to the musicality of language in a simple way."

En este libro descubrirán que sí es posible desarrollar su potencial y alcanzar la excelencia sin una presión excesiva.

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

Esta obra desarrolla los contenidos del módulo profesional de Operaciones Administrativas de Compraventa del Ciclo Formativo de grado medio de Gestión Administrativa, perteneciente a la familia profesional de Administración y Gestión. El libro se estructura en 12 unidades, que cubren los siguientes contenidos: empresa y actividad comercial; el contrato de compraventa; pedido, expedición y entrega de las mercancías; la factura; tipos de factura; el impuesto sobre el valor añadido; los regímenes especiales del IVA; medios de pago al contado; pago aplazado: letra de cambio, pagaré y el...