Louis Pasteur

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

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

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

El libro de Claudio Campagna está escrito a dos aguas. Es, por una parte, el estudio de un científico sin ser un libro de ciencia. Por otro lado, es una obra en la cual la información no se presenta de un modo independiente de la experiencia, del relato de los vagabundos en las playas, las emociones del autor. Semejante a los relatos de los antiguos naturalistas, Sobre la foca elefante. Historias naturales de la Patagonia es disfrutable tanto para científicos como lectores curiosos.

Esta antologâia para jâovenes y niänos contiene 64 poemas de 19 paâises, mezclando el trabajo de los poetas indâigenas de antes de la Conquista con lo de escritores actuales. Los textos reunidos van de la contemplaciâon de la naturaleza a los disparates,de la polâitica a la magia.

A thoughtful discussion of violence in schools, complete with examples of incidents and suggestions for coping.

A haiku is a type of poetry that follows a pattern. Haiku started in Japan and has become popular around the world. Learn more about why people love to read and write in patterns. Try to create your own haiku, too! This full-color nonfiction reader will engage students in reading while introducing them to new vocabulary terms and concepts. Important text features include a glossary and a table of contents to develop students' comprehension and literacy skills. This Spanish book aligns with national and state standards and features exciting TIME For Kids content to keep English language...