Investiguemos las fuerzas y el movimiento (Investigating Forces and Motion)

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

This book uses intriguing primary sources to introduce students to the life of George Washington. The detailed, authentic images and simple, repetitive phrases will engage students in reading and build their social studies content knowledge. For use in the classroom or at home, this Spanish book includes a simple glossary and index to introduce informational text features to young readers and provide additional reading support.

Examines The Properties Of Matter, The Use Of Energy From Gasoline Or Batteries, And Various Other Sources Of Energy.

Cuadernos no solo para leer o escuchar, sino para revivirlos activamente, en los que se entra a través de sugerentes escenarios y situaciones con construcciones, personajes, objetos, juegos y adhesivos. ¡Porque jugar es la verdadera forma de aprender!