En este libro aprenderás en forma interesante y divertida sobre los procesos científicos relacionados con la fuerza, la energía y el movimiento.
En el libro se explica qué es la biodiversidad y cómo puede ayudar a conservar las especies de plantas y animales de los diferentes ecosistemas.
En el libro se explica cómo podemos usar los inventos para resolver problemas o divertirnos.
This book provides the history of biofuels along with their different uses, their positive and negative characteristics, and how they may impact the future.
En el libro se explica cómo se protege a la población de las inundaciones.
Do you face challenging situations? Human diversity encompasses all the ways that people differ from one another. Rather than avoiding these challenges, it is important to recognize that progress comes from embracing and celebrating diversity. See why diversity is important and learn how to respect people who are different from you. This title will allow students to identify the main purpose of a text, including what the author wants to answer, explain, or describe.
Con gráficas e ilustraciones muy claras, se explica el ciclo del agua y la importancia de ésta en la vida del planeta Tierra.
Trying to figure out a difficult math problem is hard, but sometimes dealing with your social life at school can be even harder. Figuring out friendships, managing time, and learning about yourself are all important parts of growing up. This title will allow students to determine the main idea of a text and explain how it is supported by key details; summarize the text.
En el libro se explica por qué los hombres debemos cuidar la tierra.
Learn how structures are being built to withstand nature's destructive forces.
Have you ever been faced with a bullying situation? Bullying happens to all kinds of people in all kinds of places. If you are ever the victim or a bystander, get help so that you can act in a responsible way. Learn how to deal with tough situations and act accordingly when faced with a bully. This title will allow students to explain events in a text, including what happened and why, based on specific information in the text.
Have you ever faced a challenging situation? Have you or your team lost a game? It can be really disappointing to lose, but stay in control of your emotions and be calm. Recognize what went wrong and refocus your energy. Learn from loss and move on. This title will allow students to ask and answer questions to demonstrate understanding of a text, referring explicitly to the text as the basis for the answers.
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.
Examples are used to illustrate how many laws began as grass-roots initiatives, and how much a law can change from the time it is first suggested to the time it is approved.
Emphasis is placed on how all levels must work together to succeed and examples are presented demonstrating how all levels of government contribute to the lives of every citizen.
The legislative branch of the United States government represents the people and makes the laws which they live by. This book introduces readers to the House of Representatives and Senate, and the main players in both. Whips, committees, and filibusters are also discussed. A comparison to other legislative bodies in state and local governments, as well as in other countries, is also included.
The judicial branch of government consists of the nations courts. This title explores the role of the United States Supreme Court and its role in interpreting the U.S. Constitution, as well as the role of Federal Courts. Justices and judges, and how they are selected for their jobs is also provided. A comparison to other judicial bodies in state governments, as well as in other countries, is also included.
This book provides essential information on all aspects of the election process. How is a government elected? is packed with plenty of full-color images to help deliver a fundamental message: that the right to vote is one of the cornerstones of a free and democratic society.
This new book will blow readers away! Accessible text, interesting facts, and bright, colorful design create an engaging combination for young readers. Readers will discover how wind forms, its affect on people, plants, and animals, and the tools scientists use to measure wind direction and speed. A hands-on experiment teaches readers how to make a wind vane and use it to find the winds direction.
Weather changes from day to day and season to season. But what exactly is weather and how is it created? Readers will discover the answers to these questions and many other weather wonders. Bright, full-color photographs, inviting text, and engaging questions introduce readers to the different types of weather in our world and how it affects our lives.
From gentle showers to heavy downpours and slow flurries to hail, this appealing title will be a hit with readers rain or shine! Readers will learn the basic concepts of the water cycle, the features of different kinds of precipitation, and the role temperature has in determining what falls from our clouds.
Temperature is a measure of how hot or cold something is. Temperature affects our lives from the clothes we wear to the activities we do. This engaging and entertaining title inspires a solid understanding of this essential concept. Readers also discover how a thermometer is used to measure temperature using units called degrees.
What are Forests? brings to life the wondrously complex and diverse ecosystems found in forests around the world. Intricate relationships and concepts are explained in a simple way with the help of beautiful color photographs. Children will be fascinated by the earth's many types of forests, the elements that make up a forest ecosystem, the wide range of plant and animal species that live in different forests, and the importance of forests to the rest of the Earth.
The constantly changing ecosystems of salt and freshwater wetlands support an amazing variety of wildlife species. Children will be intrigued by the fascinating animals that depend on wetlands, such as alligators and hippopotamuses, and the plants that grow there. This engaging book investigates swamps, salt marshes, and flood plains, the many plants and animals that live in wetlands, and the threats to these ecosystems and their wildlife.
