?Sab?as que la Tierra es un gran im?n? Las br?julas utilizan peque?os imanes que pueden detectar el campo magn?tico de la Tierra. Obtenga m?s informaci?n sobre los imanes y c?mo funcionan.
Introduces students to solar power, describing what it is and what role it plays in the world. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
Text and pictures introduce young readers to the science of electricity. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
Text and pictures introduce young readers to the science of air. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
Text and pictures introduce young readers to the science of energy. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.