En este libro aprenderás la importancia de llevar especies extranjeras a lugares distintos a su ecosistema original y todos los efectos negativos que pueden causar al ambiente.
La ciencia nos ayuda a entender el mundo que nos rodea, descubre el mundo natural con el tema de cómo viven y crecen las plantas.
Historia de la NASA, sus antecedentes y distintas etapas que han repercutido en el desarrollo de la ciencia y la tecnología, además de traer influencia positiva para la civilización.
This title explains the enormous variety of life on Earth and how it is all interconnected. Goes into great detail about the biodiversity within biomes, the threats the plants and animals within these biomes face, and the possibilities of extinction. Very detailed information on this interesting topic for students.
This title introduces students to the world of agriscience with in depth information on how animal science affects our daily lives. Also gives a wide array of careers in this growing field, from biologists to geneticists, to zoologists.
This book discusses what the nervous system is and how it works.
This book describes the work of the National Aeronautics and Space Administration (NASA).
This book explains the water cycle and how water is used to generate many forms of electricity. It introduces students to the importance of keeping our water supplies clean has detailed information about the effects water has on different formations on our Earth. From weathering to landslides, it can all be found in this title.
From basic information about air pressure to cloud formations, this book goes on to explain violent weather conditions and how to prepare for them. Also talks about the Earth's changing weather patterns and climates and what role we play in those changes.
Students will learn about the latest, cutting edge technology in medicine today. How this technology can diagnose disease, treat those diseases and where medical technology will lead us in the future.
This book goes into great detail about the different layers of our Earth and how the shifting tectonic plates can cause disasters such as earthquakes and tsunamis. In depth information and great photographs reinforce the informative text.
Fascinating facts and information about organisms that survive by sucking blood.
Photographs and text introduce animals that utilize camouflage, mimicry, and other curious techniques as defense mechanisms. These animals include skunks, porcupines, walking sticks, kingsnakes, and octopuses.
Provides information about the wide variety of features that animals have and why their features are important.
Engaging text describes animals who can move in amazing ways.
Photographs and simple text introduce various animals that depend on speed for survival, which include dolphins, cheetahs, ostriches, antelope, horses, and others
Engaging text describes animals that don't always do what the rest of their species does.
Provides the most current information on the people, culture, and conflicts of Afghanistan. Maps, photographs, and other text features help to support understanding.
Provides the history of American coins and bills and shows how they have changed over time.
Explores economics and provides real world examples and applications.
Provides the history of biofuels, different uses, positive and negative characteristics, and how they will impact the future.
The most current information on cell phones is provided in this book. Also included are facts about how they work, how to text, and how they have impacted our world.
This book provides an introduction to the reasons why the bald eagle was chosen as a national symbol and discusses the eagle's physical characteristics, reproductive cycle, and myths and legends surrounding bald eagles.