La ciencia de los animales

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.

"Mi enfermedad me ha hecho vivir etapas difíciles y he tenido que pasar por muchos momentos tristes. Pero todos estos instantes me han enseñado a valorar las cosas de verdad: estar con las personas que me quieren y luchan para hacerme feliz, disfrutar de cada instante, avanzar y no rendirme nunca. Si en tu vida mantienes la esperanza, disfrutarás de una vida fantástica."

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

Filled with tricks and treats, fun and food, Halloween is a day that children look forward to. At one time two separate festivals, the traditions of each gradually blended into the holiday we now celebrate on October 31.

Huracanes y tornados is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.