Las cadenas alimentarias en el desierto (Desert Food Chains)

Go for the goal with this text, which examines fascinating female sports heroes who’ve proved to the world that gender is no barrier to athletic success. Readers will delight in learning about the lives of Mia Hamm, Wilma Rudolph, and the Williams sisters, as well as other important women who’ve broken barriers in sports. Readers will be inspired to pursue a career in athletics after learning about how others have achieved success in spite of great obstacles. The biographical nature of the text supports social studies curricula, and fact boxes and a comprehensive timeline provide...

This extraordinary book shows in a simple way how the Sun's light and warmth affect Earth. Children will be amazed to learn that the Sun is actually a star, and that its position and distance from Earth cause day and night as well as changing weather and the seasons. Simple, brief explanations also describe Earth's rotation and tilt, Earth's two poles and the equator, a solar eclipse, how plants make food from sunlight, and how sunlight colors our world.

¿Te has ganado ya el título de súper bromista? ¿Eres el genio indiscutible de las bromas? Si el primer libro de «Súper Bromas» te ayudó a hacerte un nombre entre tus amigos, con este segundo volumen te reafirmarás como el mejor bromista de todos los tiempos. ¿Pensabas que ya no quedaban víctimas? ¿Que tus bromas eran inmejorables? No te apures, aquí te traemos un montón de bromas nuevas ¿Estás a punto para gastar más bromas? Hemos recopilado las ideas más divertidas (y un poco locas) para que te conviertas en un ¡auténtico ninja de las bromas!

Read Along or Enhanced eBook: From hermit crabs that make a home out of anything they can find to tiny termites that build tall towers, animals of all kinds are architects! In this engaging, Spanish-translated nonfiction title, elementary children will learn about these amazing animal architects and the things they build for habitation and camouflage through vivid images, stimulating facts, informational text, a helpful glossary, and a reference list of useful websites.

Addresses questions kids often wonder about, where there is usually no simple answer, offering different theories and opinions with examples and comparisons.