Florence Nightingale

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

Solar Energy Is Explained. Included In This Book Is Where It Comes From, Who Uses It, And The Positive And Negative Benefits Of Using It. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards.

La historia del arte es uno de los libros dedicados al arte más famosos y populares nunca escritos y ha sido un best-seller durante medio siglo. Durante cinco décadas no ha tenido ningún rival como introducción al arte en su totalidad, abarcando desde las pinturas rupestres primitivas hasta el arte experimental contemporáneo. Atraídos por la claridad y simplicidad de su narrativa, lectores de todas las edades y condiciones han encontrado en el profesor Gombrich al auténtico maestro, que combina el conocimiento y sabiduría con un don único para comunicar su profundo amor por el arte....

Reassuring and supportive, this book helps preschool and primary children learn concrete social skills for anger management and discover that when they cool down and work through anger, they can feel peaceful again. The English-Spanish editions from the popular Learning to Get Along series help children learn, understand, and practice basic social and emotional skills. Real-life situations and lots of diversity make these read-aloud books appropriate for homes, childcare settings, and primary and special education classrooms. Presented in a social story format, each bilingual book includes a...

A foundered Victorian ship looking for the fabled Northwest Passage holds a secret in its icy grave... When Dirk Pitt of NUMAr is almost blown to pieces in a lab explosion, he suspects sabotage. The lab in question belongs to a scientist hoping to use a rare mineral to combat greenhouse gases - but who would want to destroy our one chance to save the planet? However, there are those who will do anything to control such a valuable prize. Pitt's investigations take him to the Arctic in search of a clue to the origins of this precious mineral. There he and NUMAr colleague Al Giordino must battle ...

Divi rtete junto a Juan y Mar a contestando las perspicaces preguntas del sombrero. En este ingenioso libro los acertijos muestran c mo los cient ficos buscan todas las posibles respuestas a un problema y comparan una respuesta con la informaci n que ya tienen, c mo eliminan lo que no encaja en una situaci n planteada y, as , llegan a la respuesta correcta. quieres hacer trucos con sombreros?