Answer Happy

Can you please help me with the report for the experiment I did
below. I'm confused as what to add to explain and add the
gravitational potential energy as heron fountain gives for the
report below:
1. INTRODUCTION
Herons Fountain and how it works with gravitational
potential energy is the topic.
2. METHODOLOGY
3. Materials
plastic bottles
Straws
Drill
Glue gun and glue sticks
Water
4. CALCULATIONS
Please add calculations of how gravitational potential energy is
acted upon the heron fountain.
Add lines, etc on the diagram I haven't attached.
5. PROCEDURES
6. RESULTS
7. CONCLUSIONS
8. REFERENCES