El gran llibre del planeta

Answers such questions as "Qué son los perros?, Qué come mi perro?, Qué mas necesita mi perro?, Qué puedo hacer por mi perro?, Qué puede hacer mi perro?"

Think about your favorite computer program or smartphone app. Do you know how it was made? In this book, readers will learn about the work that goes into creating the software we use every day. Exciting fact boxes and sidebars add depth to the text with additional information about the software design process. Readers will gain an understanding of the various steps of the software development life cycle. They'll also be introduced to famous software architects and STEM concepts from the Next Generation Science Standards throughout the text.

Rita y Seve, dos niños curiosos que quieren ser científicos, y su mascota el pajarillo Pi te cuentan en este libro todo tipo de secretos para que aprendas mucho sobra el planeta Tierra, el cuerpo humano, el universo, los grandes inventos que ha habido en la Historia (como el televisor o el teléfono), los fenómenos meteorológicos… ¿Sabes… que los delfines tienen una forma peculiar de dormir? cómo se producen los rayos que caen del cielo? cuántos litros de alimentos caben en un estómago normal? cuánta superficie terrestre ocupan los desiertos? a qué saben las nubes? Las...

A Rube Goldberg machine is designed to perform a simple task through a series of elaborate steps. These simple machines are named after Reuben “Rube” Goldberg, an American cartoonist, engineer, and inventor. Learn how these fun machines work and ignite a curiosity about STEAM topics! Created in collaboration with the Smithsonian Institution, this informational text features a hands-on STEAM challenge that is perfect for makerspaces. Make STEAM career connections with career advice from Smithsonian employees working in STEAM fields. Perfect for school reports and projects, this Spanish...