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GRADES K–2: Bring Spanish into the classroom! Introduce early elementary students to the topic of sound waves with this science-themed Spanish title. FEATURES: Kids will learn about how we send and recieve sound waves and complete an activity that supports further comprehension. EARLY BILINGUAL LITERACY: Help young learners strengthen their bilingual skills—add the English version of this title into your collection, too. WHY MY PHYSICAL SCIENCE LIBRARY: This collection introduces a variety of science topics while presenting complicated information in easy-to-understand language and...

When the Louisiana Territory was added to the United States in 1803, it about doubled the size of the young nation. It took years to clarify its boundaries and explore every square mile. How this momentous purchase came to be and its implications on the future of the United States are explained in detail in this book. Uncomplicated maps and simple language help developing readers and those in need of review to understand the many changes in this land that started with its purchase in 1803.

Describes the ancient giant kangaroo of Australia's distant past that was five times the size of today's largest kangaroos. Discusses how the animal lived and how it became extinct.

"ÅQuâe significa estar enojado? Aunque el enojo no sea agradable, Æes una emociâon que todos sentimos! Los niänos aprenderâan a identificar el momento en que estâan enojados y câomo manejar sus sentimientos. Las fotos grandes y expresivas ayudan a ilustrar câomo se ve el enojo. Se incluye una actividad de reflexiâon que permite a los niänos explorar sus sentimientos"--