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....

Este creativo libro está dedicado a las vistas de la ciudad rusa de San Petersburgo. Aquí encontrarás una ilustración estilizada en color, una breve descripción y una ilustración en blanco y negro. Si lo deseas, puedes tomar una captura de pantalla de la ilustración en blanco y negro, para colorearla en el ordenador o imprimirla y colorearla en papel. Para hacerlo, puedes guiarte por la muestra en color o puedes escoger tú mismo los colores. Cuando hayas terminado de colorear, puede que te emocione mirar por Internet fotografías de las vistas reales de San Petersburgo que figuran en...

It was September 14, 1814, and America and Great Britain were at war. Frances Scott Key watched from the deck of a British ship, where he was being held captive, as cannons exploded around them. After 25 hours, the fighting ceased and Key peered through the clearing smoke, looking for some sign as to the outcome of the battle. Was the American flag still flying? His wartime experience inspired Key to write a poem, which was later set to music and became America’s national anthem. This book tells the story of the inspiration behind our national anthem, which helped transform the flag into a...

La configuración de las mercancías en unidades de carga es un factor clave para asegurar la calidad en el transporte y la manipulación de las mercancías. Este manual reúne los conceptos fundamentales acerca de la formación de las unidades de carga para su traslado en todos los modos de transporte, con el fin de garantizar que alcancen su destino en el momento previsto, en óptimas condiciones y con el mínimo costo. Se definen los elementos que otorgan seguridad y estabilidad a la unidad de carga, los envases y embalajes, las tipologías de las cargas y los tipos de unidades de carga,...

Did you know that gases have no size or shape? Gases can become liquids when they get cold. Discover more interesting facts in Gases, part of the States of Matter series of EYEDISCOVER books.