||Each team will attempt to launch a water filled balloon
and hit targets at 10 and 20 meters, using a launching device.
To investigate projectile motion.
||Teams of up to four.
||A launching device is provided as follows. Two parallel
strands of 1 cm surgical tubing will be strung between the uprights
of a football goal post. The two strands will be threaded through
the handles of a laundry basket with approximately 10 cm of polyurethane
- Each team will provide its own balloon which must satisfy visual
inspection by a judge that it contains a minimum of 400 ml of
- Each team will compete in each of two rounds with no more than
three teams included in each competing set.
- Each team will be allowed one practice shot prior to the competition.
Each team will take two shots at each target distance. Each shot
- Each team is allowed one minute to launch its initial shot
and an additional one minute to complete its second shot. For
a total time of two minutes per team per round.
- All teams will complete the first round before the range is
changed (by the judges) for the next round.
- Accuracy determines the score.
- The distance from the spot of impact to the centre of the base
of the target will be measured. Fifty points are awarded for a
bulls-eye and 1 point for each metre away from the launcher e.g.
if the balloon goes 9 metres, the team gets 9 points). Highest
||Youth Science Foundation Science Olympics Manual.