How Do You Measure Time?

Readers will discover what you can do at a post office, such as buying stamps, checking a PO box, and sending a letter. This book's easy-to-follow narrative makes it perfect for beginning readers. A photo glossary offers new vocabulary, while a website link page suggests routes to more information.

The United States has many places to live. People choose to live in small towns and big cities. Why do people live where they do? With examples from both the past and present, this Spanish book teaches beginning readers about the history of immigration to the United States and the factors that influence where people live. Dynamic images in conjunction with Spanish text provides first grade students with an inviting learning experience as they build their reading skills and knowledge of US history.

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...

Oceans cover 70 percent of the Earth's surface, providing students with a variety of plant and animal life to learn about. An ocean biome includes the saltwater below the waves and everything on, above, and near the surface. Students will also learn about the beach, tides, cliffs, bays, coastlines, coral reefs, and tide pools in this Spanish-translated title.