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....

Más de 70.000 mujeres cada año son engañadas y sometidas a esclavitud sexual sólo en Europa. Este es un dato extraído de los periódicos, pero en esta novela todas esas mujeres se resumen en Polina, una adolescente nacida en Moldavia cuyas ilusiones comienzan a desmoronarse en un tétrico sótano de Estambul. Muy lejos de los sollozos de la pequeña, la historia comienza con la desaparición de los cinco gatos de la viuda Hergueta en un barrio residencial de la periferia de Madrid. Los vecinos rusos resultan los primeros sospechosos, ya que su actitud es huraña y misteriosa. Gracias a...

Posing questions which range from the most unusual matters to the most elementary ones, Questions that make your hair stand on end 2 focuses on the Earth and the Sun. Readers will be able to entertain themselves with very illustrative experiments and will also get to know what is so special about the Eiffel Tower, who Diogenes was, why Magellan lost a day on his way, why we get goose bumps, how can temperature be measured with a cricket, among other curious facts. In addition to the recognition of critics and readers, Questions that Make Your Hair Stand on End 2 was awarded the Premio...

This is a short fun book for children, showing them math simplified so they can learn it’s not hard and that it’s necessary to learn math in life. There are math questions and situations in this book showing that math can be applied in daily life. The book is also bilingual, meaning you can also introduce your child to Spanish or English. Math is a subject many children are scared of and tend to not embrace. This novel is made to break down some math, and the math problems are for children of a young age, for them to analyze and use critical thinking. The book features a nice math teacher ...

Filosofar es, ante todo, saber cuestionar, construir un razonamiento y pensar por nosotros mismos... Mediante un acercamiento original, Aprendiendo a filosofar le inicia en este camino a través de los grandes temas de la filosofía. En este libro podrá reflexionar sobre El arte y lo bello.