Crisis energética: El futuro de los combustibles fósiles (Energy Crisis: The Future of Fossil Fuels)

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

¿Sabrías qué alimentos elegir? ¿Cómo hacer fuego con un paquete de chicles? ¿Cocinar una pizza con una caja de zapatos? ¿Convertir un clip en una auténtica brújula? ¿Usar tu propia orina para hacer una pila? ¿Calcular la hora con un simple palo? En esta guía encontrarás los trucos más locos de supervivencia: cocinar en un vaso de cartón, vivir en una casa flotante e incluso fabricar tu propia lavadora portátil... ¡No hay límites! Aunque si lo que buscas es divertirte, también te enseñamos un montón de gamberradas que hacer con los zombis, como ponerles una cabeza de...

Mnemonics is an age-old technique for remembering names, numbers, and many other things. In Spanish Memory Book, Junior Edition, William Harrison and Dorothy Welker offer onginal mnemonic rimes appropriate in subject matter and skill level for junior high and high school students to help them acquire and remember Spanish vocabulary. Included are mnemonic jingles for several hundred of the 2,000 most commonly used Spanish words. Each jingle contains both the sound of the Spanish word and its English meaning. The authors have also included a general pronunciation guide to Spanish vowels and...

Biography of Elizabeth Cady Stanton, a leader in the fight for women's right to vote in the United States.

Correlated to the science curriculum, our Spanish-language series describes how the types of homes that different animals build reflect adaptations to their environments. Through simple, easy-to-follow text, each volume looks at each type of home as a shelter from predators and weather and a place to store food and raise young. Young readers also learn how animal homes and human homes fulfill similar needs and functions.