Fundamentos de televisión analógica y digital

What do toothpicks, dryer lint, plastic bottles, and soup cans have in common? They are all items that have been used to create art! Found art is a type of art that involves creating pieces from found objects that are not usually considered to be artistic. Learn how these ordinary objects are made into beautiful art. Created in collaboration with the Smithsonian Institution, this Spanish STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the...

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

Este libro presenta las bases teóricas de una población alfabetizada científicamente, fundamentada en una visión de las ciencias como construcción social, y a la vez un proyecto de formación del profesorado (desarrollado en doce sesiones) consecuente con esta línea. El trabajo ofrece una óptica original sobre la formación de un ciudadano responsable y la concreción sobre cómo realizarla.