20 datos curiosos sobre la Revolución Industrial (20 Fun Facts About the Industrial Revolution)

Thomas Edison is considered by many to be one of the greatest inventors of all time. His creations changed the world, but there was more to his life than just his inventions. Readers of this engaging volume will learn all about the man behind the innovations. This fascinating biography introduces important subjects and encourages a further interest in history. Concise and accessible text paired with vibrant photographs is sure to captivate audiences of many ages and levels.

Help readers make a difference by encouraging them to learn about the various ways the environment needs our help and the things they can do to reduce their carbon footprint. Readers will learn about the effects of pollution, fossil fuels, renewable and non-renewable resources, deforestation, and recycling through interesting images and charts and informational text. This Spanish-translated nonfiction title features a glossary of terms and a list of helpful websites that encourages children to take part in helping the environment in many different ways.

Weight is an important concept in the elementary math classroom as is learning how to sort and classify objects. This colorful book uses familiar objects to exhibit the differences between the adjectives "heavy" and "light" and how objects that match these descriptions can be sorted from one another. After reviewing the concepts, readers can demonstrate their understanding at the conclusion of the book and apply their knowledge to situations outside the classroom, too.

Un libro para profundizar en el mundo de los escorpiones, la robótica y descubrir la relación entre ellos. Además, todo lo necesario para construir tu propio escorpión robot. ¡Cuidado! pica y le brillan los ojos.

Aunque tener buenos amigos es una aspiración permanente, no es fácil. Para ello, hay que saber y querer tener amigos y poner los medios adecuados. La improvisación -"vivir sobre la marcha"- no da buenos resultados. Y así, todo esfuerzo para poner por obra las nociones básicas acerca de la amistad da buenos resultados. En estas páginas encontrarás esas ideas.