Elementary schools don’t really teach science, which is a system of thinking, not a set of facts. Suppose, for example, in kindergarten, a running endeavor is to list observations about water: It’s wet. It’s sticky. It freezes. It flows. Ice floats. Snow has little crystals. Steam is hot. It forms drops. It splashes. Fog is water. Rain is water. We need it to live. And so on. Don’t tell. Let the kids discover. And build their sense of wonder. And watch as they start making connections and asking questions … and seeing that science is all around them, not just in books and movies or out in outer space.