Ejercicios de ortografía para la ESO

What has a head, two tails, and shoots across the sky? A comet. Coming from the far edges of the solar system, most comets travel around the Sun, while meteors appear as flashing streaks of light in the night sky. Explore these amazing celestial wonders as they zip through space! This book looks at the difference between comets and meteors and their effects on Earth. The physical characteristics of each are identified in detail. This book won’t come crashing down! It’s filled with fun facts that give additional information on this exciting science topic. This book allows students to use...

Inspirado en el bestseller #1 del New York Times Ella persistió de Chelsea Clinton y Alexandra Boiger, llega ahora esta serie en Chapter Books sobre mujeres que sobresalieron, lucharon y se levantaron contra viento y marea. La activista social y líder de los derechos humanos Coretta Scott King inspiró a muchas personas alrededor del mundo con su valentía al promover un cambio. Incluso antes de conocer a su esposo, el reverendo Martin Luther King, Jr., Coretta era una líder para su comunidad y continuó siéndolo junto a él y después que fue asesinado. Cantante y escritora, su legado es ...

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...

FIND OUT HOW PEOPLE BECAME KNIGHTS, AND WHAT KINDS OF WEAPONS THEY USED AND WHAT KNIGHTS DID WHEN THEY WERE NOT FIGHTING. THIS NEW USBORNE DISCOVERY BOOK, WITH AMAZING PHOTOGRAPHS AND COLORFUL ILLUSTRATIONS, EXPLORES IN FASCINATING AND SOMETIMES DESCRIPTIVE DETAIL HOW KNIGHTS LIVED, DIED, AND EVENTUALLY DIED OUT ALTOGETHER.