Triceratops

Bacteria have a slimy reputation. They're too small to see with the human eye, so it's easy to let them slip past unnoticed. But, bacteria are part of our daily lives. In fact, they affect everything from milk to our moods. Get ready to zoom in on the hidden world of bacteria and explore the many ways that bacteria are being used in the modern world. This nonfiction reader seamlessly integrates the teaching of math and reading, and uses real-world examples to teach multiplication of mixed numbers. Text features include images, a glossary, an index, captions, and a table of contents to build...

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

Tras la imprescindible referencia al Nilo como protagonista indiscutible del origen y desarrollo de la civilización egipcia, referencia que da pie a su vez al análisis de la economía y de la sociedad, la autora realiza una síntesis de la historia del Antiguo Egipto. Comienza con la unificación del Alto y Bajo Egipto, y continúa con los diferentes períodos dinásticos, Imperio Antiguo, Medio y Nuevo, hasta su fin tras la conquista romana. Los últimos capítulos se dedican a la religión, la ciencia y el arte. La obra rebasa el tradicional enfoque personalizador y dinástico aplicado al ...

Think there's just one fairy tale with an overworked girl and wicked stepsisters? Think again! Cultures all around the world have their own Cinderella stories. Visit Canada, China, Egypt, and France, and find out whose "glass slippers" are made of red silk, and whose "fairy godmother" is a fish. Fully translated Spanish text.