It’s peacemaker here for Innovation day!
The Task:
We have been asked to build a castle with a working drawbridge.
Here is my medieval information:
Here are my science worksheets:
Here is my hypothesis:
My hypothesis is:
So i wanted to make a medium size castle(as we did) with a pulley/gear we used string for the pulley. we used: skewers more string (and gears obviously).
Here Is my design:
Procedure:
Photos of the building:
Final result: Self assessment: