Mehr Technik für den Alltag: Das E in den Vorbau bringen Lehren und Lernen, Papier...
33,03 €
What makes a windup toy get up and go?. How does an earbud operate?. And why does the line you’ re waiting in always seem the slowest?. Each investigation is a complete lesson that includes in-depth teacher background information, expected sample data, a materials list, and a student activity sheet for recording results.
Jetzt bei Ebay: