Get a ant farm and place your ants inside. Very easy to do and provides months of stimulating conversation and enjoyment.
Leave music on 24 hours a day.
Do ants like the music?
Does the load music cause them discomfort from the increased vibration?
Test the effect of light and darkness on ants. You may want to have two observatories for this experiment.
Another option is try stobe lights and see if this has an effect on the ants.
Do ants prefer Gel over regular food? Experiment with differnt types of food.
Does the type of music have any effect on the ants. Make your own science experiment for school. Just don;t have an alient ant farm!!