Hockey sobre hielo (Ice Hockey)

Describes what the different track events are, how to warm up for a track meet, and how to compete in a track meet.

A Rube Goldberg machine is designed to perform a simple task through a series of elaborate steps. These simple machines are named after Reuben “Rube” Goldberg, an American cartoonist, engineer, and inventor. Learn how these fun machines work and ignite a curiosity about STEAM topics! Created in collaboration with the Smithsonian Institution, this informational text features a hands-on STEAM challenge that is perfect for makerspaces. Make STEAM career connections with career advice from Smithsonian employees working in STEAM fields. Perfect for school reports and projects, this Spanish...

Los doce cuentos de este libro fueron escritos em el curso de los últimos dieciocho años. Antes de su forma actual, cinco de ellos periodísticas y guiones de cine, y uno fue un serial de televisión. Otro lo conté hace quince años en una entrevista grabada , y el amigo a quien se lo conté lo trancribió y lo publicó, y ahora lo he vuelto a escribir a partir de esa versión. Ha sido uma rara experiencia creativa que merece ser explicada, aunque sea para que los niños que quieren ser escritores cuando sean grandes sepan desde ahora qué insaciable y abrasivo es el vicio de escribir.

Describes where fossil fuels come from, their uses and forms, the harm they cause to the environment, and sources of renewable energy.

Your lungs make sure that you use air wisely. Learn how the air passes from the lungs to the bloodstream in this story about your amazing body.