¿Por qué hibernan los animales? (Why Animals Hibernate)

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.

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.

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.

Books babies can really sink their gums into! Now in bilingual English and Spanish! INDESTRUCTIBLES are built for the way babies "read": with their hands and mouths. INDESTRUCTIBLES won't rip or tear and are 100% washable. They're made for baby to hold, grab, chew, pull, and bend. What green vegetable looks like a tree? Broccoli! Can you find a fruit that's small and yellow? Lemon! Can you pick out two berries so red and sweet? Raspberry and strawberry! Explore a rainbow of delicious foods in a book that's INDESTRUCTIBLE. INDESTRUCTIBLES are printed on lightweight, nontoxic paper material,...

¿Cómo involucras realmente a los estudiantes en el aprendizaje de la historia? Cuando los estudiantes establecen conexiones personales con la asignatura, están mucho más motivados para aprender. Este libro en español proporciona relatos de la historia de primera mano que brindan una visión personal de los eventos históricos. Los estudiantes aprenderán cómo era la vida de las personas que viven en las Colonias del Sur. Con un diseño visualmente atractivo, este libro presenta texto cautivador, datos divertidos, barras laterales y líneas de tiempo que ayudan a los estudiantes a...

Mr. Nobody, una persona conectada espiritualmente con el divino, navega su camino a través de la vida como un ser humano en la tierra, forzado a vivir dentro de una sociedad gubernamental programada, creada para desconectar a la humanidad de la fuente, con el único propósito, su control. Mr. Nobody despertará e iluminará la mente curiosa del joven lector, ya que explica y lo guía de manera alegre ~ de dónde somos, por qué estamos aquí, que es la sociedad gubernamental y cómo navegar a través de ella. Mr. Nobody te hace recordar las cosas sencillas que quizás hayas olvidado, te...

Descubre cuántas ideas que siempre has considerado verdaderas no son más que falsas creencias, inexactitudes o leyendas urbanas.