Submarine STEM KS2: What forces affect submarines?

This is the third in a six lesson unit, Submarine STEM KS2. Through a practical investigation students discover how shape and surface area affect the speed at which a submersible descends. Students develop their understanding of forces, surface area, and fair testing. This lesson is from the Submarine STEM 7-11 unit. You can access the unit here: https://encounteredu.com/teacher-resources/submarine-stem-science-ages-7-11.

The unit enables students to explore materials, forces, and living things while working scientifically. The unit is based on real life submersible exploration of the XL Caitlin Deep Ocean Survey off Bermuda, the Sargasso Sea. To experience the full impact of this scheme of work it can be taught in advance of our annual Submarine Live event. Live lessons can be booked for free here: https://encounteredu.com/live