Simple Machines Bob Zbikowski Physics/Engineering Faculty Hibbing Community College

Simple MachinesBob Zbikowski

Physics/Engineering FacultyHibbing Community College

History

2008-9 school year, began working with Kindergarten classes in the Hibbing School District.

Currently work with grades 1-5 in three elementary buildings.

Special thanks to Debra Koth and Lynn Stish for making this possible!

1st Grade ActivitiesCurrent 1st grade activities:

RocksSimple machinesBridge construction

Three separate 50 minute presentations to each class throughout the year.Best environment – unused classroom to organize classroom space.

Simple MachinesPulley

Wheel and AxleLever

Inclined PlaneWedgeScrew

Pulley Move heavy objects

Block and tackle system

Change the speed of motionString/pulley demonstration

Wheel and Axle Demonstrate bicycle tire with student

Lever Balance beam with students

Large, small student balance on 2x6 teeter totter Move students Move fulcrum

Combine with wheel and axle to form wheelbarrow Student sit in middle, front, rear

Inclined Plane Student pulling cart along inclined plane, note force with scale

Talk about moving a piano

Wedge

Block movement of wheelbarrow with wedges

Screw

Screw board, examine threads on screws

Student Activities

LeverStudents work in pairs to balance meter stick teeter-totter

Wedge/ScrewIn classroom, student roll paper wedge into screw

Contact Information

Bob ZbikowskiPhysics/Engineering FacultyHibbing Community College1515 East 25th StreetHibbing, MN 55746218-262-6725 or 800-224-4422 ext [email protected]