Physics and Astronomy

Objective To identify the physics behind some demonstrations.
Participants Teams of up to six.

Some of your favourite demonstrations.
1. A gyroscope
2. Crooke's Radiometer.
3. The Cartesian Diver.
4. The jumping ring (an electromagnetic demonstration).
5. A disappearing eye dropper in a liquid of matching index of refraction.
6. Drop a magnet down a copper tube and a plastic tube.
7. Kelvin water dropper - an electrostatic demonstration.


The students have to identify the correct physics involved. This is one of the most popular events at Physics and Astronomy days held at the University of Western Ontario. The choices are available as a set of multiple choice questions, and the students have to pick the right one and then justify their answers. The discussions with the Physics Teaching Assistants are the most valuable part of the competition.

Judging The team with the most correct answers is the winner. Points are awarded for the reasons given to support the correct answers.
Source London District Science Olympics; Carole Escobar

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