Como Se Hacen los Ninos / How Are Babies Made

What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the things in them. This fact-filled, Spanish-translated nonfiction title includes real-life examples and basic experiments to aid in the development of understanding physic and scientific concepts. Readers will be introduced to and learn about Archimedes Principle, atmospheric pressure, vacuums, water density, and hydraulics...

En los veintiséis relatos que contienen este volumen, Gianni Rodari plantea y describe de forma magistral situaciones llenas de humor, imaginación y fantasía, para ofrecernos su visión del mundo que nos ha tocado vivir.

Oceans cover 70 percent of the Earth's surface, providing students with a variety of plant and animal life to learn about. An ocean biome includes the saltwater below the waves and everything on, above, and near the surface. Students will also learn about the beach, tides, cliffs, bays, coastlines, coral reefs, and tide pools in this Spanish-translated title.

Sopó en contexto: estudio arqueológico y documental sobre el poblamiento de la cuenca baja del río Teusacá, Volumen I, es una obra que ofrece la primera perspectiva de carácter regional sistemática sobre la ocupación humana de esta importante región del Altiplano Cundiboyacense.