Materials List:
Hovercraft Racers!
https://www.teachengineering.org/activities/view/cub_mechanics_lesson05_activity1
Each group needs:
- 1 compact disc (CD); ask students to bring used CDs from home or purchase blank CDs, available online
- 1 plastic bottle with a cap, ~16 oz. size, such as a soda bottle
- 1 balloon
- hacksaw, to cut the top off the plastic bottle
- drill, to put holes in the bottle cap
- hot-glue gun, to be shared among groups