Exploremos las rocas sedimentarias (Exploring Sedimentary Rocks)

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

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.

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.

[English] Explains many different ways that children can be good citizens and show good citizenship. [Spanish] Ser ciudadano de un país es algo muy especial. Los buenos ciudadanos están orgullosos de sus acciones y defienden sus principios. ¿Cómo somos buenos ciudadanos?

A digital solution for your classroom with features created with teachers and students in mind: - Perpetual license - 24 hour, 7 days a week access - No limit to the number of students accessing one title at a time - Provides a School to Home connection wherever internet is available - Easy to use - Ability to turn audio on and off - Words highlighted to match audio This colorful book introduces readers to several common insects.

¿Dónde vamos hoy? es una colección de cuentos didácticos, complementados con amenas canciones, rimas y pequeñas piezas teatrales, para niños de a partir de 5 años que explican, a través de las divertidas clases y excursiones de nuestra maestra Teresa, la elaboración o el origen de muchos de los alimentos que utilizamos diariamente: el agua, la leche, los huevos, la miel, el pan, el aceite, el chocolate y el arroz. ¿Quieres saber de dónde viene la leche? Pues acompaña a la clase de la maestra Teresa en su visita al pastizal, a la sala de ordeño y a la fábrica de productos...

Esta imaginativa historia está protagonizada por un adolescente, Héctor, que no solo padece acoso escolar sino que cuenta con la mala fortuna de pertenecer a una familia desestructurada y con muchos problemas. A la mayor parte de estos problemas el protagonista se enfrenta con lógica, pero esta le lleva a varios enredos que se complican tal como van pasando los días, ya que la relación que Héctor establece con los demás es el resultado de los problemas sociales que enfrenta y varios malentendidos que no puede resolver. El protagonista tienen dificultades para desenvolverse en sociedad...