This is a genuinely really cool science fair experiment. Too many science fairs encourage students to have grand, showy results that ultimately are just reproductions of existing experiments.
IMO science fairs should produce new data and new ideas, even if the methodology and rigor is lacking. It’s the process that counts, not the results.
Sure, but the overall intent holds true. Not just in professional settings, it’s important to have the skill to reframe a negative comment into a positive one.
This is probably what I would say: