Cómo podemos utilizar la palanca?

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

Defines screws, 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.

This Spanish-language series presents the complete range of math concepts and skills students are expected to master during the first grade. The series moves sequentially, from easiest to hardest concepts, with each book covering a different math topic. The first volume reviews the math concepts students learned in kindergarten. The next six books cover counting, adding and subtracting, tables and graphs, money, patterns, and measuring. The eighth volume is a summary of the math concepts students have studied throughout the year. Each book presents situations that show the relevance of math...

[English] Explains many different ways that children can be fair and show fairness.[Spanish] A veces es difícil ser justos porque no siempre significa hacer las cosas "por igual". Es tratar a las demás personas como quieres que te traten a ti y tener en cuenta sus sentimientos. ¿Cómo eres una persona justa?

No town or city could be built if the builders didn't understand the concepts of perimeter and area. Students will use perimeter and area to build towns and cities and design homes and parks in the book, Pueblos y ciudades (Towns and Cities). At home or in the classroom, this nonfiction book will engage students in learning measurement and geometry, and how to grid patterns, through fun practice problems and diagrams.

Öke, su hermano pequeño Mikael, y su madre, Kajsa, se han mudado de Finlandia a España. De los tres, Öke es el que más problemas tiene con el idioma y para aprender decide comprarse un diccionario finlandés-español. ¿Quién iba a pensar que ese instrumento le iba a resultar de ayuda en más situaciones de las que pensaba? Una historia que reflexiona con humor sobre los problemas lingüisticos.