Dientes de animales

Animals sing or talk to communicate. They make noise for different reasons. Find out why some animals make certain noises. Paired to the fiction title So Many Classes.

Tensión, angustia, distimia, impaciencia, apuro, culpa, vergüenza, temores de toda clase, preocupación exagerada, pensamientos catastróficos, sentimientos de agitación, obsesiones, intranquilidad, taquicardia, sudores, parálisis del cuerpo, los repentinos y fuertes espasmos en piernas e incluso en el cuerpo entero, dificultad para concentrarte, irritabilidad, dolor estomacal, miedo de enfermar o de morir, cansancio físico y mental, fatiga, músculos tensos, agorafobia, dificultad para conciliar el sueño o permanecer dormido, miedos irracionales, hormigueos por varias parte del cuerpo...

Simple text and photographs introduce why people have homes and some of the different kinds of homes found around the world.

Quicksand bringing you down? Try this very funny science book now available in Spanish! When Jungle Girl falls into some quicksand and starts slowly sinking, Jungle Boy arrives quickly—and takes the opportunity to tell her how it is formed, what it is made of, and how to get out of it, demonstrating with charts and graphs. Meanwhile, Jungle Girl sinks lower... and lower... But before the book ends, the tables turn and Jungle Girl gets her revenge! This engaging introduction to an unusual phenomenon from the bestselling author-illustrator of Strega Nona includes instructions for making your...

In what ways are the branches of government like a basketball game? How can a school yard game's rules liken themselves to a constitution? Through engaging analogies and introductions, our new Spanish-language government series gets English language learners ready for election 2008. Correlated to the fourth and fifth grade social studies curriculum, My American Government introduces students to how our government works. Students learn about the U.S. Constitution, the branches of government, citizens' basic rights, and how we elect our leaders.