De agua a hielo (From Water to Ice)

In the last one hundred years, Earth’s average temperature has risen one full degree. That might not sound like much, but it affects Earth’s oceans, land, plants, and animals. Learn all about global warming, the carbon cycle, the greenhouse effect, and weather and climate with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. This nonfiction book introduces students to new concepts, vocabulary terms, and STEM topics. With detailed images and fascinating sidebars, the leveled text supports students reading at...

Sofía and her friends accuse someone of theft based on his appearance, but when the truth comes out, they learn a lesson about passing judgment based on superficial traits.

La técnica y los secretos de un gran maestro del dibujo al alcance de todos. Horas de diversión y creatividad. Uno de los mejores ilustradores de Estados Unidos pone a nuestra disposición algunos de los trucos que ha aprendido a lo largo del tiempo en el terreno del dibujo. Este libro muestra paso a paso cómo realizar divertidos personajes. Basta comenzar con una forma simple (un óvalo, un cuadrado, etc.) e ir agregando algunas líneas también muy simples. El resultado es sorprendente. La obra demuestra hasta qué punto uno puede realizar divertidos dibujos sin necesidad de ser un...

There is a contest at a school to design a new playground. The students use blocks to build their models. As they build, they use three-dimensional shapes. Some students build a train out of blocks for the younger students to play on. Can you guess which three-dimensional shape they use for the train's wheels? Read to find out which design wins.