Cosmos en 3D

What is matter and where can it be found? Everything in the world is made of matter, whether it is a solid, a liquid, or a gas. Important ideas about matter such as volume, mass, and how matter changes state are conveyed through a series of easy-to-do experiments.

A trip to Comic-Con becomes an adventure in learning division! Join Zach as he travels to San Diego to attend his very first comic book convention. Along the way, learn about the history of comic books and comic book conventions, and meet the dedicated fans who make Comic-Con one of the most widely attended comic book conventions in the world. This book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, math charts and diagrams, sidebars, and practice problems make learning division relevant and fun. Text...

Discover the military personnel that guard our skies, the aircraft that they use and the high-tech equipment.

Poderosas y demoledoras memorias que reflejan la infancia de la autora en un mundo hecho añicos por la guerra: la huida de su casa y la separación de su familia cuando estalla la Guerra de los Seis Días; la dura vida de los refugiados palestinos; la inesperada alegría al conocer el alfabeto árabe... La lengua será su refugio