Experimentos sencillos con animales y plantas

Explore the various islands that make up the Caribbean including the different plants and animals that inhabit this tropical paradise. Bright, dazzling photographs bring the Caribbean to life as readers are exposed to vocabulary related to the unique activities and customs of the Caribbean.

Where Do You Come From? Learn About Heritage And How To Build Your Own Family Tree. Social Studies Based Leveled Readers For Use In Guided Reading And Social Studies Instruction.

¿Qué hay de real en las reliquias de Indiana Jones?, ¿existe el auténtico Santo Grial?, ¿estaban realmente los nazis vinculados al ocultismo?, ¿qué es el Ojo del Pavo Real?, ¿qué misterios entraña la Calavera de Cristal?, ¿los agentes soviéticos utilizaron la parapsicología?, ¿es la disciplina arqueológica tal y como se muestra en los filmes? Por fin, aquí tenemos las respuestas a éstas y otras muchas cuestiones sobre los artefactos de Indiana Jones. Este breve ensayo rastrea en todo lo que usted necesita saber sobre la verdad histórica, cultural y técnica que se esconde...

The United States grew rapidly from the time of the Louisiana Purchase to the building of the Transcontinental Railroad. All of this expansion came at the expense of Native American populations that had either lived in the region for centuries or been forced there from ancestral homes in the East. Tribes memorably fought on their own and together in an doomed effort to retain the land and a lifestyle that had long sustained their families. This book outlines some of the major conflicts of the Westward Expansion, and of the treaties and were signed, and often broken, by representatives of the...