Experimentos sorprendentes con la luz

Este libro presenta una serie de ilusiones ópticas que engañarán a la mente y a los ojos por medio de una serie de distorsiones de tamaño, forma y color. Algunas parecen cosa de magia, otras hasta desaparecen. Incluso hay otras que parecen cambiar mágicamente cuando se las observa. No solo presenta las ilusiones ópticas, sino que también las explica, con lo que se puede aprender mucho sobre la luz, el cerebro, la vista...

"Four score and seven years ago..." begins Abraham Lincoln's beautiful speech commemorating the three-day battle that turned the tide of the Civil War. The South had been winning up to this point. So how did Union troops stop General Robert E. Lee's invasion of the North? With black-and-white illustrations throughout and sixteen pages of photos, this turning point in history is brought vividly to life.

Soccer has been played for over 200 years in hundreds of countries across the globe. While it doesn't always get the same level of exposure that football or basketball enjoy in the United States, professional soccer is one of the world's most popular sports. Soccer has a number of living superstars who have changed the game forever with their talents and achievements. Readers will learn about Marta, often regarded as the greatest female soccer player of all time. The inspirational story of her life, trials, and journey to greatness is sure to turn young readers into soccer fanatics.

Antologia de textos d'autors d'arreu del món, per motivar la lectura i desenvolupar la comprensió lectora. Al final de cada lectura es planteja un treball lector estructurat en aquests epígrafs: - Comprueba que lo has entendido todo - Descubre palabras nuevas - Inventa historias - Comparte ideas

Book Features: • Ages 5-8, Grades K-2 • 24 pages, 8 inches x 8 inches • Simple, easy-to-read pages in Spanish with full-color pictures • Includes a glossary, index, and an engineering design activity • Supports NGSS Playful Learning: In Mi Biblioteca de Ingeniería: Diseño y Construcción para Jugar, kindergarten—second graders learn about the forces, energy, and designs that make up roller coasters, sports equipment, zip lines, and other things we love! Engineering Made Fun: Forces, energy, and motion are all a part of how we play. Young readers learn how engineers use science...