Replanteo y preparación de tuberías - UF0408

¿Qué significa migrar? Descubra qué animales migran y por qué migran a través de fotografías detalladas y texto simple. What does it mean to migrate? Discover which animals migrate and why they migrate through detailed photographs and simple text.

Think there's just one fairy tale with a beautiful girl and an evil stepmother? Think again! Cultures all around the world have their own Snow White stories. Visit Albania, Germany, Mozambique, and Turkey, and find out who meets 40 dragons instead of "seven dwarfs," and on whose forehead a bright star shines. Fully translated Spanish text.

La mejor forma de introducir a los lectores jóvenes a la fascinante vida del genio del Renacimiento, Leonardo Da Vinci famoso en su tiempo como pintor, inventor, y filósofo, era también un músico, escultor, e ingeniero para los duques, los papas, y los reyes. Este espléndido libro no solo despertará el interés de los amantes de la ciencia, la historia y la enseñanza con su elocuente tributo a una mente dotada de una energía incontenible, sino que despertará también el potencial que yace en la imaginación de todo el que posee una mente inquieta. Roberto Byrd celebra este genio...

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...