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....

Introduces fast and slow animals, including such creatures as cheetahs, snails, tortoises, and hares.

En la voluminosa obra reunida bajo el sugerente título de las NOCHES ÁTICAS se recopilaron múltiples noticias y curiosidades de la cultura clásica: anécdotas de Alejandro Magno, vidas de filósofos, apuntes sobre literatura y lenguaje, antiguas costumbres, hechos portentosos... De la miscelánea casi inextricable que AULO GELIO (s. ii) fue elaborando por las noches durante su estancia en el Ática y que ha cautivado a lo largo de los siglos a autores como Castiglione, Diderot, Borges o Bioy Casares («es uno de los libros que estimulan nuestra inteligencia, nuestra imaginación o...

La astucia de John Chatterton es indiscutible. Después de haber resuelto dos de los más difíciles casos policiales: el de la niña vestida de rojo y el de la misteriosa desaparición de la hijastra, ahora se le presenta un nuevo reto.

Our world is filled with lots of stories. And, some of the greatest stories are the ones that are captured on film! But, how well do we know the people who bring these films to life? Take a behind-the-scenes look at some of today's leading filmmakers and their journeys to success. These filmmakers work hard to include a variety of voices in their films. Learn about Hollywood's finest storytellers while learning how to add and subtract mixed numbers! This Spanish nonfiction book combines math and literacy skills and uses everyday examples of problem solving to teach subject area content. The...