Judges in the past have used the following criteria :
1. States the objectives 25%

2. Follows logical procedure 25%

3. Objective is shown in outcome 25%

4. Can explain project in presentation 10%

5. Display is attractive 10%

6. Overall rating 5%

Some questions the judges have asked include:

What did you learn from your experiment?

Where did you get your research?

Why did you do this project?

Is the project realistic or not?

Was this topic interesting to you? Why/why not?

What would you change?

The judges also look for the following:
Neatness

Enthusiam

Use of a variety of mediums