Exploremos el ciclo de la roca (Exploring the Rock Cycle)

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

Martina se dispone a dormir, pero ni se imagina que no será una noche cualquiera... En su habitación aparece Onira, una señora mágica, aunque un tanto estrafalaria, quien vela para que los peques tengan sueños bonitos. Y, naturalmente, no está sola, no podría con todo ese importante trabajo: cuenta con unos ayudantes algo especiales. Claro que no siempre las cosas salen como quiere Onira, pero eso ya lo veréis... Un obra de teatro ideal para leer en casa o para trabajar en clase, donde, a través de sus divertidos personajes y pegadizas canciones, compartir mensajes de amistad,...

Simple text and photographs introduce USDA's MyPlate tool and present healthy fruit options for children.

Un cuento para aprender a superar la frustración en el juego. A Filipo le encanta jugar a las escondidas y siempre gana. Pero esta vez Amelia lo encuentra y debe enfrentar su frustración para seguir jugando. Luego del éxito de ventas de la colección Filipo, la psicóloga Andrea Cardemil continúa la serie con un título para enseñar a los niños a trabajar las frustraciones durante el juego.

This second volume of Obras de teatro infantil presents comedies of love, fear, adventure and absurdity to be read and performed by children both at school and at home.