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....

In this basic concept, Spanish-translated nonfiction book, bright photos and simple, Informational text encourage beginning readers to compare sizes to find what's big and little in their world! This 6-Pack includes six copies of this title and a lesson plan.

Superando con creces el rotundo éxito de Cometas en el cielo más de seis millones de ejemplares vendidos en treinta idiomas la segunda novela de Khaled Hosseini saltó de inmediato al primer puesto en todos los países donde se ha publicado. Nueva demostración del asombroso instinto de gran narrador de que goza el autor, el libro cuenta la conmovedora historia de amistad entre dos mujeres afganas de orígenes muy dispares, cuyos destinos se entrelazan por obra del azar y de las convulsiones que ha sufrido Afganistán en los últimos treinta años. Hija ilegítima de un rico hombre de...

An expertly written Spanish B course now updated for first examination 2020, providing students with thought-provoking materials to help them develop strong language skills and solid critical thinking. The coursebook helps students develop their Spanish language skills as they explore the five themes from the new IB Diploma Language B guide: identities, experiences, human ingenuity, social organisation and sharing the planet. Each unit begins with 'big questions' that get learners thinking about global topics such as, 'how do we express our identity?' These help students appreciate wider...

Electricity affects every part of our lives, but we don't always think about it. We turn the lights on every day without wondering how the electricity gets there. Electricians are the reason we don't always have to worry that the lights are going to stop working and the people we can help if they do. Electricians don't just have to use their intelligence, they also have to be good with their hands. They have to be able to work with many different people and know what to do in case of an electrical emergency. Electricians keep our world running. Instructive, colorful photographs and diagrams...