Q: For 4th and 5th grades, does the mystery object need to be attached to every plane?
A: Yes, the mystery object must be incorporated into the design of all 4th and 5th grade planes.
Aerodynamics: Mystery Object Requirement
Q: For 4th and 5th grades, does the mystery object need to be attached to every plane?
A: Yes, the mystery object must be incorporated into the design of all 4th and 5th grade planes.