BUNGEE DROP Science Olympiad Summer Institute Phoenix AZ

BUNGEE DROP Science Olympiad Summer Institute Phoenix, AZ July 15 - 19, 2013

DESCRIPTION Drop a mass from a given height and get it as close to the ground without touching

EVENT PARAMETERS Elastic Cord �More than one material �More than one strand �Attached closed metal ring ½ - 1 inch diameter Will not open �Must meet elasticity test

ELASTICITY TEST While suspended vertically Bottom meter of the cord Stretch to at least 1. 25 meters with 500 gram mass attached Return to original length (approximately)

DROP MASS � 50 – 300 grams Regional – 25 gram multiples State – 10 gram multiples National – 1 gram multiples

DROP HEIGHT �Regional and State 2 – 5 meters Same or different heights �National 5 – 10 meters Different heights

Measuring System �Multiple spotters �Digital video cameras �Touch or no touch Carbon paper Fine powder

COMPETITION �Elastic cords impounded before posting of mass and height(s) �No physical alterations to elastic cord (except for marking drop locations) after impound

COMPETITION DROPS � 2 drops �Same mass each time �Height Regional – same or different National - different

TIME LIMITS � 5 minutes to prepare device in holding area � 5 minutes to complete both drops

SCORING �Sum of distance between surface plane and lowest point of device �Teams with one touch will be ranked below teams with no touches �Teams that fail elasticity test will be ranked below passing teams

TIE-BREAKER ST � 1 – Single best overall drop Closest to landing surface Either drop � 2 nd – Cord with greatest stretch in elasticity test

APPEALS �No appeals after device has left impound area

QUESTIONS �Draft Competition Manual �Others ?