Students serving as referees must have mastered the skills
required by the game to the extent that they can quickly check
others’ calculations. Serving as a referee is an honor
and is a chance to exercise and develop skills of leadership.
This sheet outlines the duties and expectations for
As a referee your job is to:
Explain the rules and help teams to have a smoothly
Help with calculations as needed. (This should only be
necessary early in the game: later on students will have to
be on their own).
Cheer on all players and help to keep them focused on the
game. Figure out whose turn it is a help them get started if
a pair of teams has stopped playing.
Settle disputes about which team has the correct answer.
The referee must listen to both sides and decide who has the
correct answer and who has the better case. Points awarded by
the referee are final.
Keep track of your calculations in settling disputes to
get homework credit.
Time Spontaneous Emission competitions in case four cards
in a row are drawn with no emission or absorption. (See
Choose an emission transition and time a race between
teams in case of a tie breaker. First team to finish with all
correct answers wins the tie breaker.
The decisions of a referee are final but referees can bring
questions to the teacher for an opinion.