La antigua Grecia (Ancient Greece)

Algorithms might sound like a complicated tech term, but don't be intimidated, people actually use them every day. Using accessible language and full-color photographs, this book simplifies algorithms in an easy-to-understand way. Readers will be amazed to learn that an algorithm is just a set of steps for computers to follow to get things done. STEM topics from the Next Generation Science Standards are emphasized throughout the text. Sidebars featuring key terms help readers grow their tech vocabulary, and fact boxes provide additional opportunities to learn.

The crustacean subphylum can be broken down into decapods, amphipods, copepods, and other types. This title offers readers from grades one through four comparisons between the needs and roles of different crustaceans, which will allow readers to understand the subphylum’s importance. Readers will recognize and expand their knowledge about familiar species like the lobster and the shrimp, while being introduced to the likes of the wood louse and zooplankton. Dynamic photography and methodically organized information will help readers examine the many sizes, types of limbs, and other features ...

Most young astronomers know that Earth is located in the Milky Way galaxy, but they might not know what that means or what lies beyond. Understanding our galaxy and others will help them comprehend more about how the universe works. Your readers will discover many amazing and memorable facts about galaxies, including their differing shapes, numbers of stars, and constant movement. They'll especially love the mind-boggling images of the depths of space.

The 20th century saw many new inventions. Changes came fast and made life easier. Cars, planes, TVs, and cell phones were all invented in the 1900s. What other important things were invented during this time? From electricity to emoji, this Spanish nonfiction book will keep students engaged in reading as they build their literacy, vocabulary, and comprehension skills. Important text features include a glossary, index, and table of contents. The Reader's Guide and culminating activity require students to connect back to the text as they develop their higher-order thinking skills. Check It Out! ...

Un líder asesinado, una duda, una locura ¿fingida?, una venganza. William Shakespeare estrenó Hamlet entre 1600 y 1602... ¿sigues pensando que los clásicos son cosa del pasado?