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The materials required for this science fair project:
- 10 boys and 10 girls aged 15 years
- 2 sets of exam papers of equal difficulty (Labeled Paper A and Paper B), with corresponding study notes. Each exam paper should be designed to test the student on a variety of subjects like history, geography, the sciences and math. Each paper should have at least 50 questions (fairly intense).
- A quiet examination room
- 20 video games
- An assistant to help coordinate the examination


1. For this science fair project, the independent variable is whether or not the participants were allowed to play video games for 2 weeks. The dependent variable is how well the participants did at the examination. The constants (control variables) are the level of difficulty of the exam paper, the number of questions and the duration of playing the video games.

2. Two sets of exam papers of equal difficulty are prepared and the papers are labeled A and B. 20 copies are made of each of the exam papers.

3.  Model answers are prepared for the 2 exam papers to help with the marking and grading.

4. The 20 students are brought into the examination hall and seated. The study notes for exam paper A are first distributed to the students and they are allowed 90 minutes to study the notes. Thereafter, exam paper A is distributed to the students. They are given 1 hour to complete the exam.

5. For the next 14 days, the students are required to play video games for at least 2 hours everyday.

6. After  14 days  are  over, the students are brought into the examination hall again and seated. Study notes for paper B are distributed and the students are again alloted 90 minutes of study time immediately prior to sitting for exam paper B (for which they will be given 1 hour to complete).

7. All the 40 exam papers are marked and graded using the model answers and the results recorded in the table given below.

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Complexity level:
Project cost ($):
Time required:
1 day to prepare, 14 days for science fair project
Material availability:
Requires participation of school-goers who have video game consoles/computer games at home.
Safety concerns:

Basic safety requirements. Consent forms required.