Energía del viento

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

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

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

Learn multiplication and STEM topics on a trip to fascinating locations around the world! This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn multiplication while engaged in reading about two fun-filled trips to China and Oahu. The full-color images, math graphs and charts, and practice problems make learning math and STEM concepts easy and fun. The table of contents, glossary, and index will further understanding of math and reading concepts. The Math Talk problems...

Me llamo Agatha Christie, aunque todo el mundo me conoce por la Reina del Crimen... No! No creis que soy una asesina. Todo lo contrario, en realidad soy muy pacfica, pero me dedico a escribir novelas policacas y relatos de misterio.

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.

Discusses the life and work of French soldier and political thinker, Marquis de Lafayette, and his role in the American Revolution.