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Saint Francis UniversityScience DayNovember 26, 2013
Answer the questions below. Each student will be able to win only once, but you will be eligible for a science tee shirt.
1. Estimate the number of elastic (rubber) bands that have been used to make the nearly elastic ball. If it were truly elastic, it would not lose any kinetic energy when it collided with a wall or floor, for example. That would mean it would have the same kinetic energy, and therefore speed, as it left a collision with a
2. Estimate the number of various sizes of stoppers, corks, or bungs (term more commonly used in England and Australia), made of cork in the tall glass jar. Include the top stopper. Bungs are commonly used in science laboratories to seal fluids (liquids and gases) into containers like flasks, tubes, and other glassware. They are nearly ideal because their shape allows them to conform to different sizes of openings, they are nearly nonreactive, and of course they prevent the fluids from leaving the container.
3. Estimate the number of paper fasteners (paper clips) in the plastic container. Paper clips are used to temporarily bind sheets of paper together. They are typically made of steel wire bent into their looped shape.
4. Estimate the number of COLORED paper fasteners (paper clips) in the same plastic container.
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Saint Francis University117 Evergreen DriveP.O. Box 600Loretto, PA 15940