El Pacto Del Mayflower /

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Explains The Early History Of How The Bill Of Rights Came To Be And How It Is Used To Protect Citizens.

Introduces the life and times of Underground Railroad and anti-slavery leader Harriet Tubman and explains her place in American history.

Esta antología conjuga humor y fantasía para recoger historias y tradiciones de Suecia, Etiopía, Marruecos, Panamá, Brasil, Norteamérica, India, España, Rusia, Sumeria e incluso Alaska, escritas por varias autoras que tienen una relación especial con el contexto en que se inspiran. Las leyendas y los relatos resaltan valores trascendentales y son ventanas al folclor de distintas latitudes. «El trol y el bautizo» (Suecia); «Aisha Kandisha y el amor de Nadim» (Marruecos); «El descubrimiento de Kaldi» (Etiopía); «La Isla del Encanto» (Panamá); «El día en que el Sací Pereré...

The world is filled with curious objects made by plants, animals, and even by the Earth itself. Dive into this collection of more than 100 intriguing items from the natural world and discover the stories behind them. Learn how huge whales eat tiny animals from looking at their bristly teeth, why butterflies shine and glitter in the sunlight from seeing their minute wing scales, how plants transport water and food around from examining a delicate leaf skeleton, and what makes every snowflake unique from admiring their miniature, branching crystals of ice. Birds' eggs, a lump of coal, a glass...

This book introduces the reader to the nighttime world of the opossum, including its habitat, activities, diet, and the unique things that it does.