La compra de Luisiana (The Louisiana Purchase)

Swamps are one kind of wetland biome. Like other wetland biomes, a swamp’s water must be clean in order for the wildlife in it to thrive. Readers learn the main features of both freshwater and saltwater swamps, as well as where some of the biggest swamps are on Earth. Science curriculum topics such as food chains and conservation make the main content a great complement to classroom learning. Full-color photographs and inset maps aid readers in identifying this interesting biome in the world around them.

Caras sonrientes, fotos coloridas y rimas interesantes convertirán las frutas y verduras en las favoritas de los niños. Hacer que las frutas y verduras sean divertidas es una forma efectiva de hacer que los niños prueben estos alimentos básicos saludables. Este libro es divertido de principio a fin.

Meet six women who did great things. They were leaders in politics, civil rights, healthcare, science, and sports. They helped and inspired others. All of them followed their dreams. Discover the journeys they took. This inspiring Spanish book introduces second grade students to the lives of notable women including Marie Curie, Clara Barton, Wilma Rudolph, Rosa Parks, and more. Engaging images in conjunction with easy-to-read text and basic text features provide readers with an inviting reading and learning experience.

A bilingual dictionary offers translations of more than twenty thousand words, examples of different uses in context, cultural information, warnings of false cognates, and explanations of the rules of Spanish grammar and common difficulties.

¿Sabías que los antiguos griegos inventaron la democracia, la filosofía, el teatro y los Juegos Olímpicos? ¿Y que fueron precursores en los campos de la ciencia, la medicina, la economía y el urbanismo? ¿Sabías cómo descubrió Arquímedes su famoso principio? Explorar la historia de la Grecia Clásica es descubrir una civilización con una riqueza cultural que no ha dejado de inspirar al mundo occidental. De Zeus a Atenea, de Aquiles a Ulises, los dioses y los héroes griegos están presentes en numerosas manifestaciones artísticas y literarias. Las batallas, los desafíos y las...