El chip experimental

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...

Quaderns d'activitats trimestrals per consolidar i ampliar els continguts del llibre de l'alumne Aprenc a escriure en Primària, amb activitats de vocabulari, gramàtica, ortografia i expressió escrita.

Readers will learn about the important relationship between producers and consumers as well as buyers and sellers and how they all work together to create a healthy economy. This instructive volume defines basic economic concepts like goods and services and explains production with examples of the different types of production. It also covers the primary and secondary industries that produce goods. Concepts such as marketing and advertising are also covered, for a well-rounded view of this fascinating aspect of the economy.

The American Southeast stretches from the Atlantic Ocean to the Gulf of Mexico, including the states of Georgia, Florida, Louisiana, and Alabama as well as parts of Virginia and Maryland. But before that region was divided into states, native groups lived there. From how they found food to what their spiritual beliefs were, the book’s main content presents the traditional lifestyles of the Seminole, Choctaw, and Creek peoples, and the other groups that lived in the southeast. Readers learn even more from fun fact boxes and the historical images and full-color photographs that show what...