View of 2003 fair displays

2005 O'Brien County Fair Handbook

SCIENCE, MECHANICS & ENGINEERING

For currency and completeness, visit O'Brien County Extension.

SCIENCE, MECHANICS & ENGINEERING - DEPARTMENT 22

401.1 - AEROSPACE

Flyable model built from a kit or original design.

401.2 - AEROSPACE

Educational display or other type of exhibit showing an aerospace idea such as forces involved in flying, model rocket photography, safety in flying model rockets or

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airplanes, test for rocket stability, etc.; may include scale models or kits to illustrate a concept.

421.1 - AUTOMOTIVE

Repaired or restored vehicle

421.2 - AUTOMOTIVE

Educational display or other type of exhibit showing an automotive idea such as safe operation, maintenance plan, comparison shopping, principles of systems operations such as electrical, braking, air bags, etc.

611 - ELECTRIC/ELECTRONICS

Constructed or repaired article or educational display or other type of exhibit showing an electric or electronic idea such as safety, construction techniques, lighting effects, electrical energy sources, etc.

451 - SMALL ENGINE

Repaired or restored operating engine or educational display or other type of exhibit showing a small engine idea such as maintenance, function of parts, comparisons, etc.

441.1 - TRACTOR

Repaired or restored tractor

441.2 - TRACTOR

Educational display or other type of exhibit related to tractor showing an idea such as safe operation, maintenance plan, engine components, operation costs, principles of engine operation, safety hazards, etc.

411 - WELDING

Constructed article or educational display related to welding showing an idea such as safety, types of welds, comparisons of welds, etc.

461.1 - WOODWORKING

New constructed and finished article.

461.2 - WOODWORKING

Educational display or other type of exhibit showing a woodworking idea such as type of woods, wood finishes, safety precautions, tools and proper use, wood fasteners, woodworking skills and techniques, etc.

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893 - SCIENCE & TECHNOLOGY

Educational display or other type of exhibits showing how science and math help us understand the world. May include constructed article, posters, portfolios, notebooks, etc., to show and explain what was learned.

601 - OTHER SCIENCE, MECHANICS & ENGINEERING IDEAS

Any other exhibit, which is an outgrowth of a 4-H Science, mechanics and engineering project or educational experience that does not fit any previous classes listed.

PC Advantage

Hartley 712-928-2001

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