See-saw balance
Explorers (Foundation), mission E3 Strong & Steady, lesson 2 of 6.
Hook
An elephant and a mouse on a see-saw. Who goes up? Could the mouse ever win?
Fair test
Put 1 coin on one side. Where do you need to put 1 coin on the other side to balance?
Bonus challenge
Balance a toy on one end with the fewest coins you can.
The build
- ⚖️ Balance See-Saw: A see-saw that is also a scale. Can one gear beat two? (level 1 of 5, about 12 minutes, 10 steps)