Proyectos reales para explorar la Primera Guerra Mundial y los años 20 (Real-World Projects to Explore World War I and the Roaring ’20s)

When we look up at the night sky you can see millions of stars, but what do you think we could see in space if we left Earth? If we could hop into a special ship and blast off, traveling billions of miles away from Earth, we’d see the Milky Way galaxy. In this book, readers take an incredible journey through that galaxy, exploring the universe and learning how it was formed and what will one day happen to these enormous groups of stars. From mysterious dark matter to the black holes at the center of galaxies, readers will also dive into the mysteries of the universe scientists have spent...

De una u otra forma, el agua se encuentra en casi todos los rincones del planeta. Además de constituir el hábitat de miles de especies y formar parte de nuestro organismo, su presencia en grandes antidades nos ayuda a transportarnos y nos brinda espectáculos tan formidables como aterradores. Así, cada gota es muestra innegable, como se lee en este libro, de que la vida florece donde hay agua.\"

What is the most effective way to study for a test? Whether it's gearing up for the SATs or cramming for a history exam at school, this book is here to help. Packed with results-driven recommendations on everything from time management to reducing stress, it provides students with the tools they need to develop more efficient study habits and boost their grades. Indispensable sidebars are included throughout, as are suggestions for how to apply essential test-prep skills in the workplace and beyond.

Every year, North Americans fly the American flag on June 14th. This show of patriotism isn't in anticipation of Independence Day; it's a different holiday entirely. Flag Day is a celebration of the adoption of the Stars and Stripes as the official flag. The book helps beginning readers learn about the American flag, how we take care of it, and how we honor it as a national symbol.

What do solar panels, waterproof clothing, and window coverings have in common? They are technologies that have been adapted based on studying butterflies! Learn what scientists have learned from butterflies with this Spanish book that will ignite a curiosity about STEAM topics through real-world examples. Created in collaboration with the Smithsonian Institution, this STEAM book features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual...