Cómo funcionan los ecosistemas

En la actualidad, los conflictos se han incrementado en todos los sectores de la vida social: familia, escuela, trabajo, medios de comunicación, etc. Se habla de conflicto a nivel local, nacional e internacional. También las relaciones humanas en las instituciones educativas son cada vez más complejas. La etiología es múltiple, siendo un factor muy importante la diversa procedencia cultural del alumado. Esta situación no es en sí misma ni positiva ni negativa, pues también ofrece oportunidades para el enriquecimiento y el desarrollo personal, pero hace preciso que el educador sea...

As they say, necessity is the mother of invention, and this book introduces readers to 14 women who invented very useful, helpful items. They include Chicago native Margaret Wilcox who invented the car heater, Indiana native Marion O'Brien Donovan who invented disposable diapers, Pennsylvania native Stephanie Kwolek who invented Kevlar, and Austria-born actress Hedy Lamar whose secret communications systems led to the creation of WiFi, Bluetooth, and GPS.

Landsat satellites orbit the Earth to get images. Learn how these images are made using heat. Then, find out how these cutting-edge satellites are helping save the planet! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person working in a STEAM field. Discover engineering innovations that solve...

When Edward goes to school for the first time, he isn't quite ready to join in with the other children. The author delights us once again with her warmth and humor.