Productores y consumidores (Producers and Consumers)

Most of the Earth's changes happen over millions of years, but earthquakes can force significant changes to the land in just a few moments. Readers will learn the science of plate tectonics and its role in the development of earthquakes around the globe. They will also learn that not all rocks are created equal. In fact, rocks are all different ages! This Spanish-translated book concludes with images of the damage and destruction that earthquakes can cause.

There is so much to explore in the Amazon! Readers are taken on an adventure through the Amazon rainforest to learn about the lush plants and beautiful animals, deforestation, and rainforest conservation in this fascinating, Spanish-translated nonfiction title that features striking photographs and riveting facts.

Nature is not always kind. Natural disasters like earthquakes and storms can wipe out cities. Entire cultures and their histories are at risk of being lost. When disaster strikes, some people work to save cultural items. They preserve culture for the future! Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for...

«Para conocerme tienes que volar conmigo. Siéntate. Yo, en el pasillo. Tú, atrapado por la ventanilla. Para ti yo soy un estereotipo, un charlatán». Ryan Bingham trabaja como Asesor de Transición Laboral, ayuda a la gente que ha perdido su empleo a entenderlo como una oportunidad para el crecimiento personal y espiritual; es decir, él es una mano ejecutora de recortes de plantilla. Este empleo le ha mantenido viajando durante años de aeropuerto en aeropuerto, hasta el punto de que le encanta el estilo de vida que lleva en «Mundo Aéreo», como él lo llama, un lugar fuera de lo...

Explains, in simple terms, the reasons for skin color, how it is determined by heredity, and how various environmental factors affect it.

This retelling of the Mexican legend of Mother Moon provides a delightful and humorous explanation for why the moon changes shape. Children will enjoy the repetitive, predictable text and elaborate illustrations. Text copyright 2004 Lectorum Publications, Inc.