Cómo podemos utilizar la palanca?

Define planos inclinados, explica sus funciones, y sugiere experimentos sencillos para demostrar cómo funcionan.

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.

Young students will be enthralled with compelling portraits of famous figures who devoted their lives to improving the world. Includes historical photos and illustrations.

Esta excelente biografía del célebre químico francés está dirigida especialmente a los lectores jóvenes y presenta los logros más significativos de este importante científico. Él realizó investigaciones decisivas sobre la fermentación y las bacterias, sostuvo que los gérmenes eran los responsables de las infecciones y desarrolló el proceso de la pasteurización, de enorme importancia para la economía y la salud pública. Además, descubrió las vacunas contra el ántrax y la rabia. También fue el primer director del Instituto Pasteur, fundado en 1888 para investigar los virus y ...

Eva Agulló se ha hecho famosa con un libro sobre adicciones. En una carta-diario escrita a su hija recién nacida, intenta explicar de qué familia viene para poder imaginar hacia qué familia se dirige. La historia nunca contada de la familia Agulló Benayas muestra que la vida es, en sí misma, un milagro en equilibrio.

At the top of his career as a writer of suspense, Abelardo Rueda is involved in a series of murders that exactly follow the plot of his latest work. The homicides hide chilling secret information. That information, along with an intimate secret, will give a twist, immersing guests in a labyrinth where anyone can be a victim or executioner.

So you think you're a martial arts master, but do you know the difference between kung fu, kendo, and karate? Students will learn about various martial arts as they practice comparing numbers. This Spanish math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning math relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. An in-depth problem-solving...

Early readers can delve into the wild world of coyotes with this title. They'll learn what coyotes eat, their preferred habitats, and other great facts, alongside awesome photographs. Translated by native Spanish speakers--and immersion school educators. Aligned to Common Core Standards and correlated to state standards. Abdo Kids Jumbo is an imprint of Abdo Kids, a division of ABDO.