April 15, 2013
http://netapps.marshall.edu/lego/lessonplans/BalanceScale/BalanceScale.html
Using the lever link above the made long beams
and uprights.
The 1x2 blocks without holes have the same weight.
2 out 9 places balance with 3 out 6
because 2 x 9 = 3 x 6
because each = 18
Make other balanced scales.
3 x 20 = 4 x 15
Four 4th graders built projects
and drove the robot at Marshall. http://lego.marshall.edu
The lift uses long gears
Motorized lift
Crane
Both projects were motorized using pulleys.
They showed their class.
After school project will get food for a dog.
