Los impactos sociales: guía de campo

Learn how zookeepers at the National Zoo keep the animals healthy and happy. This Spanish book features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.

Provides encouragement and advice for facing life's challenges, just for girls, with blank spaces to fill in goals and accomplishments.

Introduces the concept of heat, how it's created, how it affects materials around it, and how heat is used.

El protagonista de esta historia tiene una familia muy especial: su pap se opera Para prevenir enfermedades que a n no tiene. Su mam necesita un mapa Para no perderse en su propia casa! Su tierna y dulce abuelita se tira al piso y echa espuma por la boca, cada vez que alguien pronuncia una palabra con la letra e. As que un buen d a, desesperado, decide cambiar de familia...