El gran desafio del caballero de la armadura oxidada / The Great Challenge of the Knight in Rusty Armor

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!

..".Tantos pensamientos la hicieron sentir extraña ¿Y si estoy loca? Bueno, estar loca no era tan malo, porque legalmente ello supondría el desconocimiento total de todas sus obligaciones. Pero si quería tomar esa premisa o afirmación como cierta (como su principio de vida), según su ex profesor de matemáticas, tendría entonces que demostrarla y para ello... "Antes de demostrar una teoría, primero debes delimitar y definir, el universo que va a ser puesto en estudio...." Visto así, ¿qué sería estar loca? Estar loca..." En una ciudad y un trabajo donde nada parece cambiar, Sandra, ...

What do you do if you find yourself stranded at sea? This useful, Spanish-translated nonfiction book gives readers the information they need in order to survive at sea. With essential tips and instructions, helpful diagrams and images, a bibliography, and a list of other useful websites, readers will learn everything they need in order to survive--from the dangers of hypothermia, what to do if there's only saltwater available, and other useful survival skills. This 6-Pack includes six copies of this title and a lesson plan.

Explores The Different Parts Of The Nervous System, Including The Brain, Spinal Cord, And Central Nervous System. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards.