¿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.

Besides oil, Texas has long been associated with cattle and agriculture. Learning about these industries will allow readers understand how valuable their development is to the growth of the state of Texas, as well as America's economy.

Frida Kahlo es una de las más destacadas artistas plásticas del siglo XX. Un accidente a los 18 años cambió el rumbo de su vida y desde entonces el dolor se convirtió en el protagonista de su existencia. Utilizó la pintura para canalizar este sufrimiento creando una obra absolutamente personal y metafórica. Su arte representa su vida, y su vida representa la conquista de la adversidad. En este libro encontrarás muchas historias y anécdotas sobre su vida.

¡Feliz Cinco de Mayo! Esta fiesta anual comenzó después de la histórica victoria del ejército mexicano y ahora se celebra en muchas partes de los Estados Unidos. Aprende acerca de la comida, música y mucho más a través de fotografias llenas de color, diagramas y otros elementos de textos informativos. Las preguntas de pensamiento crítico a nivel apropiado ayudan a los lectores a ahondar en la información y comprender lo que hace única a esta celebración. ¡Feliz Cinco de Mayo! This annual fiesta began after a historical Mexican military victory, and now it is celebrated in many...

First readers will begin to learn and identify shapes, which are the building blocks for learning math.