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

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.

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.

What do lions do? Let's find out! In this book, young learners ages 0-3 can explore facts about these amazing animals in both Spanish and English. These appealing board books are illustrated with vibrant photos, presenting simple facts about a variety of wild animals. Side-by-side English and Spanish text lets children and caretakers compare words in two languages. This series is perfect for building early bilingual literacy skills!

Todo el mundo sabe que Katherine Mansfield pasó sus últimos días en el Instituto Gurdjieff en Fontainebleau", asegura Orage, autor de esta gran entrevista. "Tuve muchas conversaciones con Katherine sobre este tema durante los años de nuestra relación y, en particular, durante los meses que precedieron a su muerte. Solía decir: ́Supongamos que lograra escribir tan bien como Shakespeare. Sería encantador, y ¿luego qué? Algo le falta al arte literario, aun en su forma más alta. ¡La literatura no basta! ́. Éste es un testimonio invaluable de dos grandes escritores, que no sólo...

Which animals and plants can survive in a dry desert environment? Readers learn about the living things that make up desert food chains, including cacti, snakes, and scorpions. Colorful photographs of desert life make readers feel like they’re exploring new parts of this habitat with each turn of the page. Fact boxes provide additional information about the creatures that make up desert food chains, and a detailed food web shows how these food chains all come together. The desert is an extreme habitat, and readers will enjoy learning about the extreme plants and animals that live there.

Compare traditional dance costumes from Cuba, Ireland, Japan, and Nigeria as you learn inequalities and how to compare groups and numbers! Beginning readers will enjoy learning basic math concepts with this brightly illustrated Spanish book. Featuring vivid images and easy-to-read text, this full-color book develops students' math and reading skills and introduces them to early STEM themes. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills. Learning math is fun and easy with this...