Conservación de la masa (Conservation of Mass)

Light can travel faster than anything else in the universe. But what exactly is light, and where does it come from? This nonfiction Spanish book teaches students all about light, and introduces them to important scientific concepts and vocabulary terms like infrared, ultraviolet, photos, and visible spectrum. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation....

"Simple text and photos present the seasonal weather cycle and activities to do in each season"--Provided by publisher.

Life on Earth depends on carbon. In fact, about 18.5 percent of a human body's mass is carbon. How carbon is taking in and given off through animals' breathing, the burning of fossil fuels, and more can be shown in the model known as the carbon cycle. Though this concept can be confusing, all readers have a chance to understand this concept through the text and simple diagrams in this book. Both struggling readers and those looking for review can find the most important components and vocabulary of the carbon cycle in low-level, accessible text.

¿Qué tienen en común el escritor Antoine de Saint-Exupéry, el artista Jackson Pollock, el ex tenista profesional Andre Agassi, el príncipe Harry, el cantante Ricky Martin y el bailarín Carlos Acosta? Todos ellos tienen historias de vida donde desafiaron las expectativas, fueron contra corriente y persiguieron sus sueños, a pesar de una tormenta aparentemente imposible de obstáculos y dificultades. Sus historias son increíbles, al igual que las del músico Ed Sheeran, el diseñador Yves Saint Laurent y los otros chicos inspiradores que llenan las páginas de este extraordinario libro. ...

Learn about the rich history of Mission Santa Bárbara: how it started, the people who ran it, the indigenous population, and its legacy today.