La Energía Solar (Solar Energy)

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.

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

Learning about a career as a molecular biologist is the perfect introduction to the practical applications of STEM. This career-focused book aims a microscope at molecular biology, helping readers understand DNA, genes, and the systems within a cell. Readers will also learn about advances in the field and how to work towards a job as a molecular biologist. Accessible text is paired with vivid visuals to keep readers’ interest as they learn more about this STEM topic. A graphic organizer and fun fact boxes present additional information to ensure a dynamic learning experience.

Some of the most powerful things in the world are so tiny they can't be seen with the naked eye! Readers will be amazed at what they see when they take a glance at the world of the mini but mighty in this stunningly fascinating Spanish-translated nonfiction title that features remarkable images and graphics, informational text, index, and glossary. Through these features, readers are able to explore and discover such micros as DNA, atoms, bacteria, phytoplankton, and nanotechnology items like nano-robots and microchips! This 6-Pack includes six copies of this title and a lesson plan.

Tensión, angustia, distimia, impaciencia, apuro, culpa, vergüenza, temores de toda clase, preocupación exagerada, pensamientos catastróficos, sentimientos de agitación, obsesiones, intranquilidad, taquicardia, sudores, parálisis del cuerpo, los repentinos y fuertes espasmos en piernas e incluso en el cuerpo entero, dificultad para concentrarte, irritabilidad, dolor estomacal, miedo de enfermar o de morir, cansancio físico y mental, fatiga, músculos tensos, agorafobia, dificultad para conciliar el sueño o permanecer dormido, miedos irracionales, hormigueos por varias parte del cuerpo...

Expandir un negocio fuera de las fronteras de un país no es tarea fácil. Al margen de todos los aspectos vinculados a las relaciones comerciales internacionales se encuentra una herramienta que no puede ser obviada: la lengua inglesa. Conocer a la perfección este idioma o, al menos, la terminología específica del sector, ayudará a la hora de gestionar las operaciones comerciales en el panorama internacional. Toda operación comercial genera documentación desde su inicio hasta su resolución. El fin de este manual es que el alumno adquiera los conocimientos necesarios para redactar y...