Mamiferos

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Follow a day in the life of two children from different cities! This entertaining title has been translated into Spanish and encourages young readers to practice time measurement skills and early STEM themes, like reading analog and digital clocks. Familiar images and fun practice problems will have young readers thinking about how they can measure time throughout a day in their own lives!

Biografía de Philip K. Dick, uno de los escritores de ciencia ficción más innovadores, ambiciosos y potentes de la segunda mitad del siglo XX. Pero no solo eso, porque su influencia se extiende mucho más allá del género.

Learn how people collect data for weather predictions, the U.S. government census, emergency rescues, and more! This Spanish-translated title teaches readers about data collection, approximation, and estimation through practical examples.