National Science Olympiad 2010 – Junkyard Challenge Div. B
Regional/National: Challenge A
Supervisors will record this information for each team & each team is encouraged to use this form as a pre-tournament Checklist!
Supervisors can also record team results on the excel Junkyard Challenge spreadsheet found at www.soinc.org
Team Number: B__
Team Name: ___________________________________________________________
Student Names: ______________________________________________________
Final Score: ______
Event Parameters
2: Competitors bring and correctly wear safety glasses/spectacles with side shields at all times
2.a: All materials brought in a “junk box” with a lid, with the sum of the widest outside dimensions including the
lid (length + width + height) no greater than 95.0 cm
2.b: Box contains at least 1 and up to 5 standard size, unaltered plastic practice golf balls
2.b: Box contains at least 1 and up to 8 standard size, unaltered golf balls
2.b: Box contains at least 1 and up to 10 standard size, unaltered tennis balls
2.b: Box contains at least 1 Styrofoam or paper plate (max dimension 10 ½ inch) and cup
2.b: In addition to the above, box contains only:
- additional Styrofoam or paper plates, bowls & cups
- Spools of any non-metallic string/line/thread/tape
- paper or soft plastic straws/hollow stir sticks (each
- paper no larger than 8½” x 11” (≤ weight of 20#)
length limited to 24 cm)
- rubber bands no larger than size #64 (1/4 inch wide)
- popsicle/craft sticks (~12 cm x ~1 cm) and/or
- any plastic bags ≤ 1 gallon
toothpicks made of wood
- scissors (used only as a tool)
Y
Y
N
N
Y
Y
Y
Y
Y
N
N
N
N
N
Event Supervisor chooses only one challenge and reveals it to teams AFTER impound
Which Challenge are you doing? (Circle one)
1. A1
A2
A3
Y
Y
Y
N
N
N
Y
Y
N
N
The Competition
3.b: Competitors do not leave without permission from the event supervisor
3.e: Devices is free-standing
3.g: Build time is less than 30 minutes
Category A Challenge - General Rules
4.b: A free –standing cup on the structure is used to hold the correct type of ball
4.c: Team provides the cup and the designated ball
4.d.i: Challenge A.1 – Bridge:
Bridge supports cup and ball in center for at least 5 seconds
Distance between closest part of bases of bridge in mm
TIEBREAKER: Height to bottom of load supported in mm (tallest wins)
Y
N
2. ______
3. ______
4.d.ii: Challenge A.2 – Tower
Tower supports a cup and ball for at least 5 seconds
Height to the bottom of the bottom of the load in mm
TIEBREAKER: Width of the base, measured to the outside edge of the supports at the
widest span in mm (shortest wins)
Y
N
2. ______
3. ______
4.d.iii: Challenge A.3 – Cantilever
Device supports a cup and ball on the top of the cantilever for at least 5 seconds
Only allowed materials in the junk box (not the box nor scissors) used as counterweight
Cantilever makes contact only with the top surface of the table
Cable-stayed or similar devices are not used
Distance, parallel to the ground, from table to the closest edge of the cup holding the ball in
mm
TIEBREAKER: Length from table edge to the rear of cantilever (counterbalance/nonsuspended side), in mm (shortest win)
Y
N
Y
N
Y
N
Y
N
2. ______
Tier 6.a: Were all the parameters above (anything with a Y/N response) satisfied? ( If N,
4. Y
N
5. Y
N
3. ______
Tier 2)
Other General Rule 9: Disqualified (notify the team and their coach as soon as possible )