La luz y sus efectos (Light and Its Effects)

Learn all about the law of conservation of mass with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new concepts and vocabulary terms with this nonfiction book that explores the law of conservation of mass in detail. Aligned to state and national standards, this leveled text supports students reading at above-, below-, and on-grade level. The fun lab activity encourages students to think like scientists. Keep students engaged in learning with this Spanish book.

This nonfiction Spanish book teaches students about energy, and introduces them to important scientific concepts and vocabulary terms like amplitude, frequency, infrasound, transverse waves, and supersonic. 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. Keep students reading with this fascinating Spanish book.

What did people use to buy things before money was invented? Where is money made? Find out in this inviting book that informs readers about coins, paper money, the Federal Reserve, exchange rates, and checking accounts. Featuring a timeline of moneys history, detailed photos, stimulating facts, clear, informational text, and a glossary that will assist in improving vocabulary, this Spanish-translated nonfiction title will keep readers engaged from cover to cover.

La decisión de narrar el pasado se impuso después de vencer la duda de si el esfuerzo merecería la pena. La superé al darme cuenta de que muchas personas valoran la recuperación de la memoria reciente, pues la aceleración del tiempo hace que hechos relativamente próximos parezcan lejanos. Siento que la vida pasa deprisa y quiero que la memoria de las ilusiones y de los esfuerzos de mi generación no desaparezca a medida que la jubilación nos vaya separando de los más jóvenes. Al narrar el pasado intento vencer al olvido, para que las cosas que he visto «no se pierdan como lágrimas ...

¿Sabías que el mismo viento que te revuelve el cabello puede usarse para generar energía? Pero, ¿cómo exactamente se aprovecha el viento? ¿Y cuál es el efecto sobre el medioambiente? Lee este libro para aprender todo sobre la energía eólica. Did you know that the same wind that messes up your hair can be used to create energy? How exactly do you harness the wind? And what is the effect on the environment? Read this book to find out all about wind energy.

People have been sending mail for a long time. But how they do it has changed a lot! Read about the history of mail as you learn to collect data. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning data measurement easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section...