California en el siglo XX

Amazing things happened in California during the twentieth century. People came from all over the world to settle in the Golden State. Today, it is home to more than 38 million people, and the state's economy is one of the biggest in the world. Explore California's history with this Interactiv-eBook that builds literacy and social studies content knowledge. By studying primary sources like maps, historical cartoons, letters, and images, students will be prompted to ask questions, and encouraged to consider bias and the validity and reliability of sources. Aligned to the National Council for...

Take a tour of the world's most fascinating landmarks! The Gateway Arch, Big Ben, the Pyramids of Giza, and the Sydney Opera House are just a few of the landmarks that students will learn about in this high-interest book. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, engaging sidebars, practice problems, and math diagrams make learning arithmetic concepts relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and...

What has a head, two tails, and shoots across the sky? A comet. Coming from the far edges of the solar system, most comets travel around the Sun, while meteors appear as flashing streaks of light in the night sky. Explore these amazing celestial wonders as they zip through space! This book looks at the difference between comets and meteors and their effects on Earth. The physical characteristics of each are identified in detail. This book won’t come crashing down! It’s filled with fun facts that give additional information on this exciting science topic. This book allows students to use...

Want to make cool apps and games, but don't know where to start? This straightforward guide gives you everything you need to start making your own fun programs, using simple step-by-step guides. Learn the programming languages Scratch and Python to create games, animations, utilities and more.

"Cuento didáctico complementado con canciones, rimas y una pequeña pieza teatral, para niños de a partir de 5 años que explican, a través de las divertidas clases y excursiones de nuestra maestra Teresa, el origen y la elaboración del arroz. Los alumnos de Teresa quieren saber de dónde viene el arroz, el alimento más consumido en el mundo. Así que visitan un arrozal, donde descubren que crece en lugares cubiertos de agua, y después una fábrica de arroz. Únete a la clase y apréndelo todo sobre el ciclo del arroz."--

La neurocientífica, Nazareth Castellanos, explica a los más pequeños en este maravilloso cuento ilustrado cómo funciona el cerebro y cómo cuidarlo para hacerlo crecer. Todos sabemos dónde está el cerebro, pero ¿para qué sirve? ¿Sabías que está formado por un bosque? Sí, sí, ¡por un bosque de neuronas! ¿Y sabías que esas neuronas se envían cartas entre sí para dar instrucciones al resto del cuerpo? ¡Todo esto y mucho más lo aprenderás junto a Alicia y la coneja Cajal! A través de coloridas ilustraciones, sencillas metáforas y pequeñas cajitas de información, los más...