Mujeres en las ciencias (Women in Science)

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

Collins, llegan a Nueva Delhi para escribir la extraordinaria historia de independencia de la India del Imperio Británico. Éste será el comienzo de una maravillosa historia de amor, desde este primer viaje nace una relación fuerte, intensa y sincera entre la India y el escritor, que desde entonces se dedica por completo a la ayuda humanitaria.Dominique Lapierre viaja desde entonces sin cesar a la India para participar en programas concretos contra lapobreza extrema. La pluma de Dominique Lapierre transporta al lector a un magnífico e inolvidable recorrido por los rincones y misterios de...

Nature is amazing and filled with different shapes. Learn about the different shapes found in nature. Paired to the fiction title What Can I Make?.

Describes How National Parks Are Places Where Land And Animals Are Protected And Are Opened To The Public And Owned By All The People.

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!