I drive a bulldozer

As they say, necessity is the mother of invention, and this book introduces readers to 14 women who invented very useful, helpful items. They include Chicago native Margaret Wilcox who invented the car heater, Indiana native Marion O'Brien Donovan who invented disposable diapers, Pennsylvania native Stephanie Kwolek who invented Kevlar, and Austria-born actress Hedy Lamar whose secret communications systems led to the creation of WiFi, Bluetooth, and GPS.

El autor nos propone, en once talleres, un sinfín de actividades para trabajar el lenguaje en la E.S.O.: redacción de autobiografías, relatos a partir de una palabra, dramatizaciones, dictados, canciones, juegos, etc.

Learn about the Earth and the Moon with this engaging Spanish science reader. With easy-to-read text, this book teaches students important scientific concepts and vocabulary including the phases of the Moon, the movement of the Earth around the sun, and the rotation of the Earth. Aligned to state and national standards, the book contains nonfiction text features like an index, a glossary, captions, bold font, and detailed images to keep students connected to the text. A hands-on science experiment helps students apply what they have learned and develops critical thinking skills.

This book offers a tactile, interactive way to learn how to count to 20. Children are encouraged to trace the numbers with their fingers, find objects, and turn the wheel to reveal the correct number. It will help develop their fine motor skills as well as their powers of observation.