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9th Grade Engineering Science Fair Projects
Free Project Examples by Grade Level



See also:
9th Grade Science Fair Project Ideas and Examples
High School Engineering Science Fair Project Ideas and Examples

Effect of fine and coarse concrete aggregate and size on groundwater pollution [View Project]
Bat Trap Efficiency [View Project]
Construct a device for detecting black ice for blind people. [View Project]
How the different types of gears work and what gears are used for. [View Project]
The effects of the width, depth and cross-section shape of a beam on its strength [View Project]
Will a structure with a crossbeam support more mass than the structure without it? [View Project]

For more engineering science fair projects click:
Engineering Science Fair Projects and Experiments



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Last updated: June 2013
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