[ Strange, who was straight up about to touch it, dutifully moves his fingers away from the blade. However, he still kind of wants to see what it's like up close. So, he'll answer Scout's question while looking at the ground for something. ]

Well, there's solid, liquids, and gas, [ said as he picks up a stick. ] And I'm afraid that's all I really know about states of matter. Evaporation, melting, condensation, and all the rest.

[ His science education is very 1800s and not all that good to begin with. And, as he finishes talking, Strange just straight up pokes the blade of the lightsaber with the stick. ]