Cómo funcionan los imanes (How Magnets Work)

Pterodáctilos son una de las criaturas más fascinantes de la antigüedad. Este texto incluye hechos fascinantes acerca de estos folletos lujosos en un formato accesible. Diagramas, preguntas de pensamiento crítico y otras características inspiran el aprendizaje visual y el compromiso. Pterodactyls are one of the most fascinating ancient creatures. Now in Spanish, this carefully leveled text includes fascinating facts about these fancy flyers in an accessible format. Diagrams, age-appropriate critical thinking questions, and other features inspire visual learning and engagement.

People have been using shadow puppets to entertain people for centuries. Learn the history of shadow puppets and the "technology" behind them with this STEAM book that will ignite a curiosity about STEAM topics through real-world examples. Created in collaboration with the Smithsonian Institution, this 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 Smithsonian employees working in STEAM fields. Perfect for English language...

The famous civil rights leader Dr. Martin Luther King Jr. spoke out against racial and economic injustice until his death - from an assassin's bullet - in 1968. This tumultuous time in history comes to life in over 100 black-and-white illustrations that celebrate of this remarkable man.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...