How to get your students to stop talking with "Beat the Teacher!" - simple but motivating :-). Countdown to If one kid is still talking, teacher gets the point. If no one is talking, students get the point.
This could be a fun science fair project someday :) Ants stomachs are transparent. a woman noticed it when ants drank/ate spilled milk one day so she gave them some colorful candy and then photographed them!