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Elementary Catapult Competition
Sunday, November 15, 2009
North Concourse, Centennial Building, Fair Park
12:30 PM - Grades 1-5
- “Contestant” is defined as an individual or a team of up to four students
- Advance preparation is required for this competition.
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Overview of the Competition
This year’s event will focus on precision. Contestants will have two launches. The distance from the bull’s eye from each launch will be added together. This sum will constitute the contestant’s score.
Catapult Construction
(1)The contestant must build a catapult that will propel a Hershey’s Chocolate Kiss 3 meters to a target. The Hershey’s Chocolate Kiss used in the competition will be supplied by the judges.
(2)The emphasis in this event is placed on the contestant's construction of a device that can precisely aim and propel a Hershey’s Chocolate Kiss 3 meters using popsicle sticks, glue, and rubber bands.
- Popsicle stick is defined as a Wooden stick no longer than 11.5 cm, no wider than 1.0 cm, no thicker than 0.3 cm.
- any glue will be allowed
- any office supply store rubber band can be used.
(3) The entire catapult, when prepared and cocked for launch, must fit into a cube no larger than one-half meter per side.
(4) The target will be a bull’s eye placed flat on the floor. The center of the target will be exactly 3 meters from the launch line.
(5) Contestants will be allowed to place their catapults precisely at the edge of the launch line, but not on top of the launch line.
(6) Contestants will be allowed to make two launches. Misfires, as determined by the site judges, will not constitute a “launch.”
(7) Sling-shot-type devices are not defined as a "catapult” within the confines of this competition. For the purposes of this competition, a catapult is a device where a main arm throws the payload.
(8) No laser or electronic sighting device can be used.
Practice Shots
Contestants will have a Practice Site that will be separate but relatively identical to the Contest Site. The Practice Site will be used for making adjustments to a contestant’s catapult. The Contest Site will only be used for the competition.
Contestants may make a reasonable number of launches at the Practice Site, based on the time available before the competition.
Contestants must supply their own Hershey Chocolate Kisses for the practice shots. Contestants will be supervised by a Winston Science Staff Member.
Judging
(1) The judges will measure the distance from the bull’s eye to the Hershey Chocolate Kiss’ first point of contact with the floor.
(2) A contestant will make two launches. The sum of the distances from both launches will constitute the contestant’s score.
(3) The winner will be the contestant with the lowest score, assuming that the contestant has met all the other competition requirements.
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