Yeah, they need to be encouraged to ask questions about what happens in their lives. Stuff that they genuinely care about.

For example, the other day I was peeing and though, "Is there less splatter by aiming my pee above the water line or below the waterline?" If I was Richard Feynman, I'd probably actually do an experiment. Now that may not be allowed in a school fair, but it's an example of a trivial everyday thing that one can wonder about, and design an experiment about, yet maybe hasn't been established as fact (like plants like water).