| Where the
demonstration is to be performed |
Availability of
the chemicals needed |
| Availability of
the apparatus needed |
How close can
the audience get to the experiment? |
| The safety
factor |
The time-taken
for the reaction |
| Is the reaction
too slow? |
Is the reaction
too fast? |
| Is there back-up
apparatus if the one being used fails or breaks? |
Will it take
long to set up the experiment for successive demonstrations for different
groups of people? |
| Is the reaction
colourful? |
Is the reaction
noisy? |
| How expensive
are the chemicals used? |
Is the reaction
exciting? |
| The visibility
of the reaction. |
Is protective
clothing needed? |
| Does the
reaction produce bad smells? |
Does the
reaction produce poisonous gases? |
