Experimentos con la luz

Con este libro mágico podrás dibujar todo lo que quieras: animales, plantas, exploradores, piratas... Y luego puedes borrarlo y volver a dibujar una y otra vez.

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of problem decomposition. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how problem decomposition works in the real world. In this book, readers will learn how to break down their research into different kinds of sources. This ...

Children often assume that being fair means that everyone gets the same number of cookies, but at the heart of fairness is consideration, respect, and caring for others. Your readers will encounter real-life situations in which young people figure out how to act fairly. They'll meet Ben and Jane who are playing on the swings at recess while other children wait to use the swings. What is the fair thing to do? Each spread consists of one of these relatable scenarios along with a full-color photograph. Fun, accessible text encourages readers to consider how they treat others as they discover...

Cuando decidas recorrer la dimensión tiempo de tu memoria (dtm), descubrirás que te has transformado por medio de una lenta metamorfosis psíquica en «80 teorías (80t) y un drama sobre la muerte (1dm)». (dtm = 80t + 1dm) Nuestros recuerdos son como un amasijo de chatarra, enmarañada de sueños, miedos y fantasmas, resultado de una gran colisión entre cuatro trenes que recorren las vías del tiempo. A velocidad de vértigo se desplaza un tren que viene del pasado remoto, cargado con «recuerdos ancestrales», contagiados de cerebro a cerebro y que heredamos como una ilusión propia;...