La clave de Einstein

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

Presents aerial photographs of various scenes from around the world including fishermen in Morocco, a farm on the island of Crete, and a mangrove forest in New Caledonia.

This Spanish-translated book will be a hit with both thrill seekers and with those who prefer to stay safely on the ground. After an introduction to Newton's three laws of motion, readers learn the mechanics of various amusement park rides including roller coasters, Ferris wheels, merry-go-rounds, and gravity rides. They learn how to measure motion, and how kinetic and potential energy apply to their favorite rides. This 6-Pack includes six copies of this title and a lesson plan.

Children learn boundaries and safety when using screens, and fun things to do when screens are off. As important as screens are in our lives, we all need to unplug, especially children. This reassuring English-Spanish bilingual picture book offers children and families a starting point for limiting screen time and making the most of the time you have with your screens and without. While screens are needed for learning and can be helpful and fun, they are not intended for use all the time. The American Academy of Pediatrics recommends consistent limits on screen time for children, and adults...