Taller de matemáticas

Examines the nature of inclined planes and wedges, how they can reduce the amount of force necessary to perform work, and ways in which they are used.

Publicado en cooperación con el programa de libre acceso GoogleTM Earth, este libro contiene una búsqueda del tesoro interactiva a través de los cientos de los sitios web de GoogleTM Earth más hermosos e interesantes. Las bellas ilustraciones y el texto evocador contienen una serie de pistas sobre lugares, gente y cosas. Para darle sentido a las pistas, se requiere la consulta de GoogleTM Earth. Pueden ser dibujos, imágenes tomadas por satélite, elementos distintivos del lugar, direcciones de un sitio a otro, conexiones temáticas, etc. Las pistas incluidas en cada doble página van de...

Discusses the physical characteristics of great white sharks that combine to make them such able predators.

Young children are natural problem-solvers and always looking for answers, especially when it involves interesting animals. This Spanish-language edition of Fast and Flightless provides young curious readers with striking visual clues and simply written hints. Using the photos and text, readers rely on visual literacy skills, reading, and reasoning as they solve the animal mystery. Clearly written facts give readers a deeper understanding of how the animal lives. Additional text features, including a glossary and an index, help students locate information and learn new words.