Y Si...? Una Increible Forma de Percibir La Realidad

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

The highest law in the United States isn't written in modern English. Yet students are expected to know and understand much of what it says, as well as facts about how and why it was written. Readers are presented with the most important points of the history of the Constitution and its contents in this book. The main content gives simple explanations of important social studies curriculum topics, from the compromises needed to write the Constitution to the Bill of Rights. Fact boxes, a concluding timeline, and historical images offer readers even more detail needed for a full overview of the ...

Ana makes a fatal mistake of unprotected sex and becomes pregnant. She finds herself alone in a circle of hypocrisy and small mindedness.

"Cuando Daniel Hernández tenía veinte años, trabajaba como pasante con la congresista Gabrielle Giffords. El 8 de enero de 2011, alguien disparó contra Giffords. La agilidad mental de Daniel le salvó la vida a Giffords hasta que llegaron los paramédicos y la llevaron al hospital. Muchos han reconocido la valentía y heroísmo de Hernández, incluyendo al presidente Barack Obama. Sin embargo, aunque tal vez ese haya sido su momento más visible y de mayor fama, Daniel Hernández es un extraordinario individuo que ha tenido ya muchos logros en su corta vida y se propone conquistar muchos...