For the next time, is there a family at school that keeps snakes? That might be ibe avenueif havung a live snake viait ( all handwashing and safety procolos followed of course. Look and see what Ken Roy has to say)
What about snakes intrigues them? The way they move, the way the jaw can dislocate, the scales and hiw they overlap and change? Movement can be modeled by tubes. What advantages do scales have? Who else has scales? What snakes are in your local habitat? What is the predator prey pyramid? Is this the same as a friend or relative in a different area? Why?
These are some ideas to guide a snake study another year
Love snakes....outside and at a distance