This complete, ready-to-use Buoyancy 5E Lesson helps students understand why objects float, sink, or remain suspended through inquiry, modeling, and real-world application. Designed for middle school science, this resource is fully digital or printable, making it perfect for self-paced learning, substitutes, or interactive classrooms. Students explore buoyancy using visual phenomena, a PhET simulation, leveled reading, and project-based learning, then demonstrate understanding through multi