¿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.

Descubre todos los misterios, trucos y secretos con el libro oficial de League of Legends. Embárcate en un viaje a través de los Reinos de Runeterra en este recopilatorio único de League of Legends, uno de los videojuegos más populares del mundo. Dentro encontrarás: -Una expedición a través de las once regiones, crónica de los conflictos, las rivalidades más arraigadas y las alianzas encubiertas. -Cientos de ilustraciones, incluyendo mapas inéditos. -Todos los detalles sobre los héroes, flora, fauna, arquitectura, política y tecnologías de todos los rincones del universo....

The skeletal system is made up of bones. They support and protect your body and help it work. Some bones help you run, or pick up a pencil; others protect organs, like the skull, which protects your brain. Learn about bones, joints and more in this informative book.

The history of the feast! After their first harvest in 1621, the Pilgrims at Plymouth shared a three-day feast with their Native American neighbors. Of course, the Pilgrims and the Wampanoag didn't know it at the time, but they were making history, celebrating what would become a national holiday.

"In this compilation, the author invites us to play with sounds, meanings, and the rhythm of words. The illustrated poems have a variety of motifs, such as insects, stars, people in love, the calendar, and some witches who go to the supermarket. This is an opportunity to introduce children to the musicality of language in a simple way."