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.

Aquí se presentan historias favoritas de la Biblia narradas especialmente para la hora de la lectura. En cada página, las palabras sencillas y respetuosas cobran vida con bellas y alegres ilustraciones. Best-loved Bible stories are especially retold for story time. The simple and respectful words are brought to life with bright and appealing illustrations on every page.

Did you know that nature is the world's largest science and engineering lab? Learn how designers and engineers use biomimicry to create or improve products. This title supports NGSS for Engineering Design.

Few kids can resist jumping into a big puddle. Getting wet can be fun. Learning to describe objects as wet can be fun, too, as evidenced in the bright, entertaining photographs and simple, engaging text in this motivating book. Readers will love to identify the objects within these pages, selected to appeal to them, and use the objects to comprehend new vocabulary words in corresponding sentences.

Estructurado en doce unidades; Enfoque comunicativo; Estudio inductivo de la gramática; Resumen nocio-funcional.