Los invertebrados increíbles

What did people use to buy things before money was invented? Where is money made? Find out in this inviting book that informs readers about coins, paper money, the Federal Reserve, exchange rates, and checking accounts. Featuring a timeline of money's history, detailed photos, stimulating facts, clear, informational text, and a glossary that will assist in improving vocabulary, this Spanish-translated nonfiction title will keep readers engaged from cover to cover.

In this biographical book, young readers will learn about the brave life of Harriet Tubman. Readers will discover how Tubman bravely escaped from her life as a slave to cross the Mason-Dixon line into freedom and how she helped hundreds of other slaves into freedom through the Underground Railroad with the help of abolitionists. The vivid images, stunning facts, and supportive text work in conjunction with the helpful glossary, index, and timeline of Tubman's life to give readers an engaging experience as they move from cover to cover. This book has been translated into Spanish.

This inspiring Spanish-translated biography allows readers to learn about the incredible life of Sojourner Truth. Featuring a timeline of Sojourner's life, a glossary, and an index working in conjunction with vibrant images and supportive text, this title will leave young readers inspired by Sojourner's life as an abolitionist and suffragist.

Read this book to find out about eyes and how they differ from animal to animal. This book uses simple, repetitive text to teach children about eyes using basic vocabulary and stunning photographs that show how eyes differ across a diverse selection of animals, including humans. Children learn what eyes are for, where they are found, and what eyes look like.

Desarrollar las facultades cognitivas generales de los niños La influencia de la obra de Piaget Adquirir los conocimientos y los métodos de la ciencia Científicos y educación científica El debate conceptos versus procedimientos El nature study Aprender a investigar e investigar para comprender Desarrollar la comprensión científica La ciencia: una actividad que genera conocimiento El ámbito de los datos, los hechos y las evidencias Observar Experimentar Analizar datos y establecer conclusiones Las habilidades de investigación de los niños y niñas Las explicaciones científicas como...

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

Como pétalos vuvelan las letras y los versos formando un ramo de sentimientos que salen del alma como inspiración y sin remordimiento entre estrofas que fluyen con el viento proveniente de: Argentina, Bolivia, Chile, Colombia, Ecuador, El Salvador, Guatemala, Italia, México, Nicaragua, Paraguay, Perú, Puerto Rico, Uruguay, Venezuela.