Looking for a seamless, interactive way to teach states of matter, phase changes, and molecular motion? This resource is designed to accompany the free CK-12 Phases of Matter Simulation Sandbox. Click here to check out the website!Instead of letting students blindly click around the simulation, this resource provides a highly structured, inquiry-based worksheet that guides them to observe exactly how water molecules behave as they transition between solids, liquids, and gases. To wrap up the