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!

This Spanish-language series, great for English language learners, uses simple text and colorful photographs and illustrations to introduce students to key math readiness skills. Each book focuses on key areas of the kindergarten math curriculum - number recognition, lengths, greater than and less than, and adding and subtracting.

In order for any democracy to function well, understanding how and when to compromise is a necessity. This book introduces students to how compromise makes governing possible. Using examples of how compromise works in their own lives, students will gain a better understanding of how compromise work on a larger level. Conversely, readers will also learn that compromise may be the wrong course of action in some situations and that some issues are of such critical importance or high moral worth that standing firm is appropriate.

Uno de los retos del siglo XXI es alcanzar la plena igualdad de derechos entre hombres y mujeres. Cien años después de que se celebrara por primera vez el Día Internacional de la Mujer, el 19 de marzo de 1911, te invitamos a conocer en las páginas de este libro a un grupo de mujeres que, en épocas en las que no tenían derecho a casi nada, se atrevieron a luchar por sus sueños, y llegaron, incluso, a cambiar la historia.

Crónica que repasa la historia de las relaciones limítrofes de Chile con Argentina. De manera documentada, sin apasionamientos, narra la evolución de las fronteras desde la época anterior a la independencia y hasta la fecha, dejando finalmente la interrogante si este nuevo diferendo nos llevará a una corte internacional o a un arbitraje. Se abordan los siguientes puntos en conflicto: -Los límites coloniales de Chile desde 1554 -Las pérdidas territoriales de la Capitanía General de Chile entre 1563 y 1776 -Los acuerdos territoriales entre Chile y Argentina al independizarse -Chile...