Ingeniería asombrosa: El London Eye: Números pares e impares

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...

Rhyming verse describes the good food, decorations, and stories when grandmother arrives for the annual celebration of the Mexican holiday, Day of the Dead.

�Cu�les son algunas de las cosas que nosotros podemos aprender sobre los animales tomando en cuenta la forma de sus bocas o picos? �Qu� podemos deducir sobre los animales con dientes filosos comparados con los que tienen dientes largos y planos? �Existen algunos animales sin bocas? En esta secuela sobre las series de Adaptaciones de animales, la galardonada fot�grafa y educadora naturalista Mary Holland comparte las fascinantes bocas de los animales con los lectores de todas las edades.

Se trata de un relato en el que el escritor indaga en su pasado familiar para desentrañar el misterio de la desaparición de su abuelo en un tren.

Did you kow that Benjamin Franklin wanted a turkey to be the symbol of America instead of the bald eagle? Discover interesting facts about why the bald eagle is important to Americans, how it became a symbol for our country, and more in The Bald Eagle.