La búsqueda de la velocidad: Los vehículos (The Quest for Speed: Vehicles) (Spanish Version)

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...

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

Where is your brain exactly? What does it do? Use your brain to read this engaging, Spanish-translated title and learn all about it!

Tres años después de sus andanzas en Quinteto de Buenos Aires, vuelve Carvalho. Y también vuelve Charo con la intención de orientar el futuro del detective. A pocos meses del final del milenio, Carvalho vive una historia de amor, sectas, espionaje y muerte. Convocado para seguir un curso de espía y reclamado por una extraña mujer que le envía faxes, primero enigmáticos, luego enamorados, Carvalho convive con la sospecha de que ha sido elegido para una finalidad que no puede controlar. Bajo el peso del eterno diseñador del mundo, el poder del dinero, el detective hace suya la ansiedad ...

Explore the lifecycle of a butterfly and learn about the transformation of caterpillars into beautiful butterflies. The connection to language arts is the rich vocabulary related to butterflies, caterpillars, and their transformations.

Alucina con este libro donde gigantosaurus, velociraptores,braquiosaurus, diplodocus, triceratops y muchos dinosaurios más cobran vida bajo las mágicas lentes en tres dimensiones. Las detalladas ilustraciones, información objetiva y datos curiosos, unidos al novedoso visor 3D, te invitan a explorar, con todo lujo de detalle, un mundo natural lleno de criaturas fascinantes. Una colección entretenida y educativa para toda la familia.

Offers encouragement and practical advice for meeting challenges head on, with words of inspiration and fun, reminding girls to be who they are.