Science

My 4 year old son has been obsessed with states of matter lately (thank you “Sid the Science Kid” and “Zula Patrol.”) He’s constantly pointing out “this is a solid,” and “that is a liquid.” And of course, since he’s four, he’s going to eventually follow up with some kind of “why” question. Like: “Momma, why do the eggs turn from a liquid to a solid when you cook them?” …