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.
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.
Examine how the fossils document the appearance, diversification, and extinction of many life forms.
En el libro se explica qué son las placas tectónicas y cómo ocurren los terremotos y los tsunamis.
En el libro se explica la importancia del agua para la vida y cómo se puede mantener un abastecimiento sustentable.
La ciencia nos ayuda a entender el mundo que nos rodea, descubre el mundo natural con el tema de la energía.
En el libro se explica cómo se protege a la población de las inundaciones.