Cómo funcionan los juguetes (How Toys Work)

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther. This 6-Pack includes six...

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. This primary source book focuses on the creation of the Transcontinental Railroad. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with information and primary source maps, images, and...

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.

¿Alguna vez te has quedado mirando a tu perro y te has preguntado en qué estará pensando? ¿Has meditado sobre el sentido de la vida o has intentado imaginarte la nada más absoluta? Pon en marcha tu sentido común y prepárate para hacer frente a esos grandes enigmas que nos acompañan todos los días. ¡Embárcate con nosotros en esta aventura en la que se mezclan los pensamientos razonables con las ideas más descabelladas!

This book describes how the activity of attending a baseball game requires using math for keeping score.

Un libro ideal para conversar con los niños y las niñas temas de sexualidad con un enfoque integral. Con una mirada actualizada, abierta, directa y clara se abordan temas de sexualidad, género, pareja, intimidad, desarrollo, adopción, familia y reproducción, entre otros.

Cada año los magos de Imardin se reúnen para vaciar las calles de la ciudad de vagabundos, pícaros y maleantes. Son maestros en las diversas disciplinas de la magia, y saben que nadie puede opnérseles. Pero su escudo protecto no es tan impenetrable como creen. Porque Sonea, una joven de la calle, está furiosa tras ver que su familia y sus amigos vana ser expulsados de la ciudad. Toda la rabia acumulada por años de injusticia va concentrada en una piedra que Sonea lanza contra las fuerzas del orden. Para sorpresa de todos, la piedra atraviesa la barrera invisible y derriba a uno de los...