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....

Cada año los magos de Imardin se reúnen para vaciar las calles de la ciudad de vagabundos, pícaros y maleantes. Son maestros en las diversas disciplinas de la magia, y saben que nadie puede opnérseles. Pero su escudo protecto no es tan impenetrable como creen. Porque Sonea, una joven de la calle, está furiosa tras ver que su familia y sus amigos vana ser expulsados de la ciudad. Toda la rabia acumulada por años de injusticia va concentrada en una piedra que Sonea lanza contra las fuerzas del orden. Para sorpresa de todos, la piedra atraviesa la barrera invisible y derriba a uno de los...

Most of the Earth's changes happen over millions of years, but earthquakes can force significant changes to the land in just a few moments. Readers will learn the science of plate tectonics and its role in the development of earthquakes around the globe. They will also learn that not all rocks are created equal. In fact, rocks are all different ages! This Spanish-translated book concludes with images of the damage and destruction that earthquakes can cause.

Relegadas tradicionalmente a un papel secundario y a menudo pasivo en la sociedad, las mujeres encontraron muy pronto en la lectura una manera de romper las estrecheces de su mundo. La puerta abierta al conocimiento, la imaginación, el acceso a otro mundo, un mundo de libertad e independencia, les ha permitido desarrollarse y adoptar, poco a poco, nuevos roles en la sociedad. A través de un recorrido por las numerosas obras de arte que reflejan la estrecha relación entre libros y mujeres, Stefan Bollmann rinde un sentido homenaje a las mujeres y confirma el excepcional poder que confiere...

Beginning readers will enjoy learning how to compose numbers 11-19 with this Spanish book. With vibrant images and easy-to-read text, this full-color text uses a real-world example of building and decorating a gingerbread house to teach math concepts. Students will develop their math and reading skills and be introduced to early STEM themes as they count the candy used to decorate a gingerbread house. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills. Learning math is fun and easy...