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 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.

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...

Hace veinte años, la represión provocada por la dictadura argentina hizo "desaparecer" a 30.000 personas. Hoy se sigue buscando esa memoria a través de los vivos que no olvidan a los que perdieron entonces. La historia de Estela es una más. Tan real que está sucediendo ahora mismo en muchas partes.

Reptiles y anfibios is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

'Imago hominis' es un manuscrito que el tribuno romano Suetonio envía al bibliotecario de Éfeso. En él refiere el viaje secreto que ambos emprendieron a Palestina, enviados como espías por el emperador Tiberio, para informar sobre las revueltas zelotas y las drásticas decisiones del prefecto Poncio Pilato. Sus pesquisas le llevan a interesarse por el profeta rural Jesús de Nazaret, crucificado meses atrás en Jerusalén, y por las claves de su influjo religioso y político en la sociedad judía. Sus discípulos, seguidores y amigos son investigados y descritos por este tribuno.

Takes the reader on an imaginary trip through California while offering information about the history and geography of the major cities and towns.