Albert Einstein

La industria aeronáutica ha sido cautivada por diferentes obras de ingeniería a lo largo de las décadas. En más de 100 años de aviación, la humanidad ha disfrutado de innumerables logros por parte de los pioneros aeronáuticos que marcaron un punto en la historia del transporte. Ante un mercado aeronáutico en constante crecimiento, nuevos emprendedores y soñadores se han animado a desarrollar sus propias aeronaves con las cuales, en algunos casos, haz logrado introducirse en el mundo aeronáutico. Pero todo esto tiene un punto de partida donde todo comienza con una visión, y este...

This Spanish-translated book will be a hit with both thrill seekers and with those who prefer to stay safely on the ground. After an introduction to Newton's three laws of motion, readers learn the mechanics of various amusement park rides including roller coasters, Ferris wheels, merry-go-rounds, and gravity rides. They learn how to measure motion, and how kinetic and potential energy apply to their favorite rides. This 6-Pack includes six copies of this title and a lesson plan.

In My Friend Has Down Syndrome, beginning readers are introduced to different characters who have Down syndrome, how Down syndrome may affect their actions, and how we can be good friends to people who have Down syndrome. Vibrant, full-color photos and carefully leveled text engage young readers as they discover how to empathetic and inlude all kinds of friends.

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impact it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, this title will inspire and engage children.