Third grade students in Ms. Mayfield’s class created Hopper Poppers to test invisible forces. Students all started with the same hopper popper to collect baseline data. Then teams modified their hoppers to get more height in flight. 
Third grade students in Ms. Mayfield’s class created Hopper Poppers to test invisible forces. Students all started with the same hopper popper to collect baseline data. Then teams modified their hoppers to get more height in flight.