I have created a fun and tasty science experiment for students. Kids of all ages can do this experiment, although little ones will need help. This would be a great small group activity with older students acting as the helpers and mentors. Of course, they also will need a little guidance as well.
The Incredible Gummi Worm
If you don't have a budget to spend on lesson plans, just let me know and I will be happy to send it to you. I understand how that works!
At any rate it is only $1 on TeachersPayTeachers.com.