I have to build a model for a science project using gears and pulleys. Simple 4th grade. I need help?
get some 10 pound weights and show how its easier to lift with more gears or pulleys than with less.

get some 10 pound weights and show how its easier to lift with more gears or pulleys than with less.
This vehicle was built from TeacherGeek components. To design and build your own visit TeacherGeek to build yours and check out other cool projects.
This is Rose Shue and Becca Schapiro's Rube Goldberg project. It's task was to turn off a light, and it used these simple machines in this ...
MAKING PROGRESS! Welding stress cracks in subframe that holds the gears, belt pulleys and implement lifts. Now that I think about it- the cracks ...
.com to invent your own off-road vehicle. ... Gears Pulleys "stem activity" "technology project" teachergeek "make ...
comes with even more components and incredible new gears and pulleys! ... "Rube Goldburg" "Rube Goldberg" "Simple ...