Siglo XXI: Misterios del espacio sideral

Readers are given helpful information about the dangers of drugs and alcohol, including narcotics, hallucinogens, and prescription medications in this informative nonfiction reader. Through detailed images, diagrams, Spanish-translated informational text, an index, a glossary of terms, and a list of websites that provide additional information, readers are given the tools and information they need to educate themselves about addiction, drug abuse, the health and social issues that drugs and alcohol can cause, and how to say no to peer pressure.

A digital solution for your classroom with features created with teachers and students in mind: - Perpetual license - 24 hour, 7 days a week access - No limit to the number of students accessing one title at a time - Provides a School to Home connection wherever internet is available - Easy to use - Ability to turn audio on and off - Words highlighted to match audio This colorful book introduces readers to several common insects.

Why do we need water to live? Find out in this informative title that explains the importance of water to all living things.

Diseñado como respuesta al temario oficial del Curso de Orientación Universitaria, y como Manual de Iniciación para aquellos alumnos/as que cursen estudios de Física General en las Escuelas Universitarias. Una exposición teórica suficientemente profunda, complementada con una amplísima colección de problemas - unos, explicados y resueltos; otros, propuestos e indicada su solución - proporcionan un conocimiento directo de la materia y sus aplicaciones.

It was September 14, 1814, and America and Great Britain were at war. Frances Scott Key watched from the deck of a British ship, where he was being held captive, as cannons exploded around them. After 25 hours, the fighting ceased and Key peered through the clearing smoke, looking for some sign as to the outcome of the battle. Was the American flag still flying? His wartime experience inspired Key to write a poem, which was later set to music and became America’s national anthem. This book tells the story of the inspiration behind our national anthem, which helped transform the flag into a...