¿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.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

An illustrated field trip visits a newspaper to explain about reporting and editing the news, printing the newspaper, circulation, and related topics, in a study that spotlights some important vocabulary and concepts.

Vegetables are tasty, crunchy, and healthy. Learn about how MyPlate helps kids make great food choices every day, including vegetables!

This beginner biography takes a look into the life of Walt Disney and his innovative contributions to film and animation. Complete with full-bleed relevant and historical photographs, timeline, glossary, and index.

¿Sabías que las ballenas azules son los animales más grandes de nuestro planeta? ¿O que las nutrias marinas se asean las patas después de cada comida? El mundo está lleno de millones de especies animales, y cada una de ellas es única y especial. Muchas están llamadas a desaparecer. En este libro, Chelsea Clinton les presenta a los pequeños lectores algunos de los animales en peligro de extinción, explicándoles por qué son únicos y especiales y qué clase de peligros corren. No dejes que desaparezcan conduce al lector a lo largo de un día en la vida de rinocerontes, tigres,...