Lo que los fósiles nos enseñan sobre la Tierra (Investigating Fossils)

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...

An eye-opening look at the workings of the solar system En este ejemplar los ninos encontrarán la historia del universo, descrita con ilustraciones amenas y entretenidas El día y la noche (cuando sale el sol y la luna Un ano de viaje (el movimiento de la tierra en el espacio). Las cuatro diferentes estaciones de la tierra. La función del sol en la tierra (su influencia en las flores y en los animales). La tierra nuestro planeta (descripción de la tierra, sobre sus habitantes y su forma). La luna (su tamano, su aspecto, los viajes que se han realizado y que hay en ella). Los eclipses (como ...

Intermediate Readers Examine How Animals Hibernate, Use Camouflage, And Migrate To Survive Winter Conditions.

Growing up Latino in America means speaking two languages, living two lives, learning the rules of two cultures. Cool Salsa celebrates the tones, rhythms, sounds, and experiences of that double life. Here are poems about families and parties, insults and sad memories, hot dogs and mangos, the sweet syllables of Spanish and the snag-toothed traps of English. Here is the glory, and pain, of being Latino American. Latino Americans hail from Cuba and California, Mexico and Michigan, Nicaragua and New York, and editor Lori M. Carlson has made sure to capture all of those accents. With poets such...

Kim es una muchacha de trece años que empieza a tener problemas con su alimentación. Se ve gorda y deja de comer. Con ayuda, acepta gradualmente que su comportamiento puede resultarle perjudicial a largo plazo. A medida que se recupera, entiende que su enfermedad no sólo tiene que ver con la comida... ¿Por qué se siente tan insegura? ¿Es sólo una cuestión de estética?