Hormigas

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...

Guadalajara esconde en su geografía un gran número de rincones desconocidos para la mayoría de los senderistas. Las 30 rutas que propone esta guía nos harán descubrir solitarios caminos de montaña, profundos barrancos y extensos bosques donde la naturaleza y el paisaje se han conservado casi intactos.Castros celtíberos, iglesias románicas y castillos medievales también nos acompañaran en esta selección de recorridos, evocándonos épocas pasadas.

Spanish Language Edition Here are 23 favorite Bible stories in which children can enthusiastically participate using hand motions and other fun activities. Use it in Sunday school, childrenrsquo;s church, at home-any time you want to present the appealing concepts and values that form the foundation of faith in kidsrsquo; hearts.

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...