The Next Generation Science Standards place an emphasis on the practices of science and engineering, where ensuring that students understand and experience how science works is as important as, or maybe more important than, memorizing facts. The idea is that, while some facts may change, the practices will always be applicable, and it is important for citizens to understand how scientists arrive at their conclusions, in addition to what those conclusions are. The standards’ emphasis on the practices of science represents a culmination of the long-running understanding that people learn science by doing science. In the classroom, this has translated to inquiry-based lessons, where students design and conduct experiments, form explanations from evidence, evaluate and justify those explanations, and communicate their work. The question is: