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.

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these feathered dinosaurs face to face: The Caudipteryx had feathered arms and a tail that looked like a pom-pom! The Sinovenator may have used colorful feathers to attract a mate! The Microraptor may have used its feathers to glide...

This book will increase your child's vocabulary in English and Spanish by associating numbers with beautiful pictures and touch and feel elements.

Now in Spanish: the story of Pablo Picasso's brilliant life! Over a long, turbulent life, Picasso continually discovered new ways of seeing the world and translating them into art. Young readers now have a Spanish translation of this entertaining, highly readable biography, with more than one hundred black-and-white illustrations.

In this book discover how learning to pray can change everything! Through prayer, God can lift you above the pressures of your life so you can see His unique plan for you