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En este libro, los estudiantes escuchan mientras los científicos, agencias gubernamentales y grupos de trabajo ambientales debaten y discuten el futuro de los combustibles fósiles. Los lectores descubrirán que los suministros de combustibles fósiles son limitados, las formas de conservar esta importante fuente de energía y cuáles son algunas de las fuentes de energía alternativas y más limpias. -
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Discute el calentamiento global, su efecto sobre los casquetes polares de la Antártida y el efecto que su fusión tiene sobre el nivel del mar, a través de una historia ficticia en formato de novela gráfica sobre una expedición científica a la Antártida. -
Esta obra contiene temas como: Proceso de configuración del estado constitucional Teoría de la constitución El estado constitucional como estado garante de derechos y libertades Estado constitucional y teoría de las formas políticas Estado constitucional, democracia representativa y relaciones gobierno- parlamento en los sistemas parlamentarios -
Readers will learn about the history of people?s interaction with electric energy and how it works to power our world. -
This book dramatically explains the constant and epic battle between predator and prey, and the ways each adapts to its position on the food chain. There is an engaging section devoted to our place in the food chain, the environmental responsibilities of being at the top, and the consequences of over-fishing or over-harvesting. -
Describes how mountains form, the animals that live there, and how to protect mountainous environments, and includes details on each continent's largest peaks. -
Introduces the motorcycle, including its different parts, how it functions, and the safety precautions to operating a motorcycle. -
Our planet, Earth, has only one moon, but some of the other planets in our solar system have more. Young learners explore the fascinating features of these other moons. -
Presents instructions for creating several styles of footwear from common craft materials, including sandals, flip-flops, clogs, boots, slippers, and moccasins. -
Presents instructions for creating several styles of handbags, carrying cases, and wallets from common craft materials. -
Introduces the history of puppets and provides instructions for making eight different types of puppets out of easily available materials. -
Introduces musical instruments, discusses the role of music in cultures and religions around the world, and provides instructions for making eight different instruments out of easily available materials. -
Describes the key aspects of magnetism, discussing magnetic fields, electromagnetism, and common uses of magnets. -
Presents an introduction to the islands of the world, discussing their different types, climates, wildlife, and inhabitants, and the natural and man-made threats which can endanger their existence. -
Kids will learn all about solids, liquids and gases through these fun and easy-to-follow experiments. -
Kids will learn all about plants through these fun and easy-to-follow experiments. -
Kids will learn all about light and sound through these fun and easy-to-follow experiments. -
Kids will learn all about heat through these fun and easy-to-follow experiments. -
Kids will learn all about forces through these fun and easy-to-follow experiments. -
Kids will learn all about electricity and magnetism through these fun and easy-to-follow experiments. -
Kids will learn all about desert plants, creatures, and much more in this fact-filled book about deserts. -
Some of the most important contributors to the food chain are those creatures that help break things down: decomposers. If not for these birds, bugs, and worms organic matter couldn't be recycled back into nature. Readers will discover the different kinds of decomposers, how they do their job, and why it is so important. This fascinating book includes graphic organizers and annotated illustrations to better explain the food chain. -
This is a well-organized look as coastal regions: what shapes them, some environmental threats, and their usefulness in industry and tourism. Several beautiful and interesting coastlines are highlighted, including Cancun and the Great Barrier Reef. Readers will learn about each coastline's location, population, local industries, and environmental threats. -
Curious readers will discover how the world's climate is changing from the greenhouse effect and the ozone hole, and what we are doing to help our planet. -
Bundle up for a fact-finding mission to the Arctic. Readers will learn about Arctic plants and animals, and how they depend on each other for survival in the coldest ecosystem on Earth. -
Your readers will get a close look at planes such as the Airbus A380, which is the world's largest airliner, and the Lockheed Martin F-35B, which is a short take-off and vertical landing combat aircraft. Readers learn about the engine and design that make flight possible for each aircraft. -
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PROMOGUINNESS WORLD RECORDS, . EDITORIAL PLANETA S.A Otros formatos, 288 páginas PLANETA JUNIOR GUINNESS WORLD RECORDS. El libro Guinness World Records 2010 viene cargado de nuevos contenidos: -Las 100 personas que más récords han batido en esta década; -Descarga gratuita de imágenes y videoclips inéditos; -Listado de récords que todavía no han sido batidos; -¿Quieres saber qué récords han sido batidos el día de tu cumpleaños?; -Récords y fotos totalmente nuevos. A partir de 10 años. -
Describes headaches and migraines, including the difference between headaches and migraines, what causes migraines to occur, and how to prevent them from reoccurring. -
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PROMOEs real la preocupación social por la convivencia dentro del ámbito de la escuela, la presencia de conductas violentas que dañan el clima escolar o, incluso la formación de grupos o «tribus urbanas» violentas cuyas conductas deben ser entendidas y tratadas según sus peculiares características. Aunque la alarma social que generan algunos casos de violencia extrema, ejercida por menores, no se corresponde con la realidad de los hechos conflictivos ocurridos en el ámbito escolar, es razonable estar preocupados porque la educación sólo es posible en un marco de convivencia en el que se desarrollen positivamente las relaciones entre alumnos y entre profesores y alumnos. -
Explains the need for and the benefits of laws, including information on history, the U.S. Constitution, and how national laws are made
