Las dos verdades

El texto es sencillo y fotos a todo color instruir a los lectores cómo construir un cohete con gas y explica la ciencia detrás de la actividad.

Oceans cover 70 percent of the Earth's surface, providing students with a variety of plant and animal life to learn about. An ocean biome includes the saltwater below the waves and everything on, above, and near the surface. Students will also learn about the beach, tides, cliffs, bays, coastlines, coral reefs, and tide pools in this Spanish-translated title.

Esta guía visual ayuda a comprender los comienzos del universo y del sistema solar, el inicio de las diversas formas de vida en nuestro planeta, el origen africano de los seres humanos y su desplazamiento por los continentes. Un libro que nos descubre nuestra historia en la Tierra y nos explica por qué todos somos parientes.

Rudy can't find his favorite sweater. He's looked everywhere: inside the house, outside, and in the apartments upstairs and downstairs. In the kitchen, in the bathroom, here, there . . . where could it be? This enchanting story has flaps, pages with cutouts, and numbers to count.