En el libro se describen los procesos naturales que crean las rocas. Se examinan las rocas ígneas, sedimentarias, y metamórficas.
Aprende sobre la vida de cada planta y animal de este hábitat y cómo los humanos podemos ayudar a protegerlo.
En el libro aprenderás qué son los glaciares y que pasará si desaparecen.
Take an in-depth look at earth science in this science encyclopedia.
Chronicles the acquisition and settlement of the various territories that have not become states but are governed by the United States.
Chronicles the Louisiana Purchase, the territory which reached from the Mississippi River to the Rocky Mountains, in 1803.
Explore shipwrecks to learn about underwater archaeology and mapping coordinates! This Spanish-translated e-book encourages readers to familiarize themselves with coordinate planes by finding intersections between lines of latitude and longitude. Using geometry, STEM concepts, and an understanding of coordinate planes, readers can follow along as marine archaeologists find and explore shipwrecks! This exciting digital resource uses vivid images, easy-to-read informational text, engaging practice problems, clear mathematical charts and diagrams, and text features such as a glossary and index to make mathematics feel simple and fun. Math can be so adventurous!
Explore the ocean and learn all about coordinate planes simultaneously! Translated in Spanish, this exciting e-book teaches readers about ocean maps and the history of ocean navigation. Learn about Earth's five oceans and how these oceans can be mapped - with sonar, submersibles, and satellites. Readers will get plenty of experience mapping coordinates through related practice problems and familiarizing themselves with latitude, longitude, and the intersections between them. Vibrant images, easy-to-read informational text, simple practice problems, exciting nautical charts, and mathematical diagrams work together to help Spanish readers feel confident in their understanding of coordinate planes and improve their mathematical and STEM skills.
Go on a journey through land, air, and sea to learn all about reading maps! This exciting Spanish-translated e-Book familiarizes readers with many different types of maps, teaching them about map symbols, keys, compasses, and grid coordinates. From street maps to moon maps, maps are used every day, everywhere! Vibrant images, clear mathematical charts and diagrams, relatable practice problems, and an accessible glossary all work together to engage children and improve their map reading and STEM skills.
After Texas earned its freedom from Mexico through a bloody revolution, its leaders were divided over whether Texas should join the United States. Through numerous captivating facts, vivid images, and easy-to-read text, readers will be enthralled as they make their way through this fascinating title that introduces them to Texas history, the Texas Revolution, and the Mexican-American War. The engaging sidebars, glossary, index, and table of contents make this book easy to navigate through and a perfect tool to aid in better understanding of the content and vocabulary.
Stephen F. Austin grew up to become known as the Father of Texas. Readers can learn about his interesting and incredible life in this appealing biography that has been translated into Spanish and highlights both Austin's life and Texas history. Through vivid images and illustrations, supportive text, an accommodating glossary and index, and fascinating facts, readers will learn about Texas pioneers, the empresario system, Freemasons, and how Austin became such an important figure in Texas history.
Sam Houston lived a unique and exciting life. This captivating biography focuses on Houston's life and how he became the only person to be president of a republic, a United States senator, and the governor of two different states. The intriguing facts, easy-to-read text, and appealing images work in conjunction with an accessible glossary and index to help readers navigate their way through the text while feeling engaged and enlightened as they learn about the Republic of Texas, Cherokee Indians, Texas history, and how Houston became the governor of Texas.
By the 1800s, Mexican and American settlers were starting colonies throughout Texas. After Mexico won its independence from Spain, the real fight for Texas began. Through supportive text, vivid images, a helpful glossary, index, table of contents, and engaging sidebars and facts, readers will learn about Texas history, Texas colonization, the missions in Texas, Stephen F. Austin, and The Alamo.
In the middle of the 1830s, Texans fought against the Mexican government for its independence. During the Texas Revolution, many leaders emerged, such as Sam Houston, Lorenzo de Zavala, William Travis, Francita Alavez, Sidney Sherman, Susanna Dickinson, James Bowie, and Juan Seguin. This captivating biography allows readers to learn about the incredible accomplishments of these people and what they did to make an impact on the Texas Revolution.
Groups of American Indians had been living in the Texas region for thousands of years when American settlers decided to expand westward. This captivating book explores the Texas history and the history of American Indians and how each group found different ways to live on the region they inhabited. Readers will learn about a variety of tribes, including Karankawa tribe, Jumano, Caddo, Lipan Apache, and Shosone and discover how they struggled to survive European colonization, the Indian Removal Act, and American expansion. Other topics include the Dawes Act, Indian Civil Rights Act, and peace treaties. Through plenty of interesting and intriguing facts, engaging sidebars, accommodating glossary and index, and supportive text, readers will be encouraged to learn and explore the history of the Indians of North America.
Rene-Robert Cavelier, or Sieur de La Salle, grew up in France dreaming of adventures in distant lands! This exciting biography allows readers to explore new worlds with La Salle as they read about his fascinating life. Featuring plenty of bright images, easy-to-read text, constructive facts and sidebars, and an accessible index, table of contents, and glossary, readers will be excited to learn about the Mississippi River discovery, Ville-Marie, Fort Crevecoeur, and other impressive exploration details!
Examine how the fossils document the appearance, diversification, and extinction of many life forms.
Dramatic photographs of spewing and flowing lava will capture the attention of any child. In this fantastic book, children will be excited to learn what a volcano is and what makes it erupt. Simple explanations describe the different kinds of volcanoes, including cinder, cone-shaped, shield, and composite as well as the different kinds of lava and the land formations they create on land and under the ocean. Other topics include the reason volcanoes often erupt during earthquakes, why giant tsunami waves are sometimes created by underwater earthquakes, and how volcanoes are studied in order to predict and prepare for eruptions. Children will also enjoy making their own volcano out of household materials.
This magnificent book uses beautiful photography to help young children understand that oceans are a type of habitat or place in nature where plants and animals live. Simple text explains why some oceans are warm and some are cold, which kinds of plants and animals live in oceans, and how the bodies of ocean animals are built to help them glide through water. Other topics such as photosynthesis, tide pools, and coral reefs are briefly and simply explained. Children will be delighted by the images of seals, penguins, polar bears, dolphins, and more.
Coasts are areas of land next to oceans. Coasts can be sandy or rocky and have landforms such as cliffs, sea stacks, caves, and arches. Coasts can be next to open oceans or be sheltered in bays or coves. In this beautifully photographed book, Bobbie Kalman takes children on a tour of different coasts, where they can ride some breathtaking ocean waves or meet underwater animals that live in nearby coral reefs. Children will also be introduced to some amazing coastal cities and learn about famous coastal rock formations.
Why do people need rivers? What causes rivers to flood? These are just a few of the questions answered by this fascinating introduction to rivers by Bobbie Kalman. Topics include the paths of rivers, how rivers carve through rocks, types of rivers, waterfalls, headwaters, tributaries, estuaries, deltas, fiords, river plants and animals, people and rivers, and famous rivers.
In this fascinating book by Bobbie Kalman, children will learn about how mountains and islands form from volcanoes, how wind and rivers create canyons, how rivers and streams create underground caves, how ocean waves shape coasts, and how glaciers make valleys. They will enjoy looking for rock formations in the shapes of animals, trees, and even ghosts!
Coasts are areas of land next to oceans. Coasts can be sandy or rocky and have landforms such as cliffs, sea stacks, caves, and arches. Coasts can be next to open oceans or be sheltered in bays or coves. In this beautifully photographed book, Bobbie Kalman takes children on a tour of different coasts, where they can ride some breathtaking ocean waves or meet underwater animals that live in nearby coral reefs. Children will also be introduced to some amazing coastal cities and learn about famous coastal rock formations.
This extraordinary book shows in a simple way how the Sun's light and warmth affect Earth. Children will be amazed to learn that the Sun is actually a star, and that its position and distance from the Earth cause day and night as well as changing weather and the seasons.
Best known as the home of the Inca as well as other ancient civilizations, Peru is dotted with the ruins of their ancient buildings. Children will be delighted to read about the ingenuity of these ancient people in Spotlight on Peru. From high up on Lake Titicaca where llamas roam, down to the Amazon River where jaguars live in the rainforests, the wonders of Peru are described through simple text. Wonderful photographs also capture the people of Peru today and their way of life.
