Pútrida patria

Why do some things heat up quickly while others don't? How can heat cause matter to change form from solid to liquid to gas and back again? Heat cannot be seen, but it can easily be felt. Looking at different objects' molecular makeup, this book describes the fundamentals of heat and furthers understanding through a series of easy experiments.

Practice time measurement by timing races! Racing is all about having the fastest time, so accurate time measurement is very important for athletes! Young readers will learn all about how athletes measure racing times and will practice their mathematical and STEM skills. The Spanish-translated text, vibrant images, fun practice problems, and helpful mathematical charts in this title make time measurement seem exciting and simple!

Rodeo Barrel Racing Is Described In This Book. Readers Learn About Necessary Equipment And Techniques, Famous Riders, Animals, Records, Venues, And Championships.

¿Quién dijo que las mujeres no eran exploradoras? Todos conocemos el nombre de algún pirata famoso, o de un astronauta que haya llegado al espacio, pero...¿y las mujeres? Muchas lo petaron en sus viajes o inventaron máquinas con las que alcanzaron nuevos hitos. Aquí podrás encontrar a 25 superaventureras que cambiaron el mundo y demostraron su poder. Muchas de ellas han tenido un papel decisivo en nuestra historia y nunca lo hemos sabido, pero ahora ha llegado el momento de homenajearlas y decir en voz alta que¡las chicas van donde quieren! ENGLISH DESCRIPTION Whoever said that women...