Help students master density, mass, and volume while uncovering how temperature and convection currents drive the movement of matter in this low-prep Earth Science bundle. Through engaging lessons, investigations, and modeling, students connect what they see in the classroom—objects sinking, floating, rising, or circulating—to the unseen world of particle motion and energy transfer. 👉 Check out the preview files to see how each activity supports sensemaking and helps students explain what