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.
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.
En esta serie se explican las formas más importantes de energía alternativa que se usan actualmente, sus ventajas y cómo se utilizan.
En el libro se explica por qué los hombres debemos cuidar la tierra.
Students will learn how plants are becoming endangered or even extinct due to changes in climate, deforestation to build new homes, or by invasive plant species that are brought from other places. The book also tells how plants make adaptations in order to survive their ever-changing habitats.
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.
With interesting facts and photographs, this book discusses how nearly all food webs begin with plants, the primary producers.
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.
The internet and email have changed our lives. Find out why by reading the history, characteristics, uses, and future applications of this incredible invention.
The uses of wind energy is the topic of this book. Explains the positive and negative impact this form of energy can have on our world.
Solar energy is explained. Included in the book is where it comes from, who uses it, and the positive and negative benefits of using it.
In graphic-novel format, this book chronicles the dust storms which plagued the plains states from 1930 to 1939 while depicting one family's efforts to escape the devastation and start a new life in California.
Eco-friendly energy is explained. The most current information is provided while establishing the understanding that it does not take much to make the world a better place.