Science Buddies: "Ask an Expert"

My 2nd grade son is wanting to do his science fair project on "Electric Play Dough", we are having a hard time coming up with the question & mostly the variable. any suggestions?

Hello and welcome to the forums:

The electric play-doh projects are Engineering projects as opposed to Science projects, which makes forming a question and hypothesis a little more difficult. In general for engineering projects, the question starts like this: "Can I ..." as opposed to "What happens when...." I don't know which project specifically you're doing, but the first one could have the following question:
Can I

make play dough that conducts electricity.

An engineering project also has different variables. In this case, you could look at the chemistry of the play-doh. Compare the two recipes, conducting vs. non-conducting. What's in the conducting one that's not in the non-conducting one? What happens when you change the amounts of those ingredients?

Let us know how it turns out!
Keith