When John Hickam intervenes to stop Roy Lee's stepdad from beating him. He vows to repay generously any harm done to the boy and tells Roy in the car, in tones of unaccustomed emotion, that Lee senior was "one of the best men I ever knew".
The name of the final rocket.
The principal's face when the boys win the state science fair. He started off telling Miss Reilly not to get their hopes up and now he's overjoyed at what they've accomplished.
When someone sabotages Home by robbing his display, Homer's mother pushes her husband to make a deal to end the strike so one of the employees can hurry and make and ship a replacement out to Homer before the official judging the next day. The rest of the town also gives Homer a loud cheer over the phone and then the hero's welcome he gets when he comes back home and gets off the bus.
Homer's father finally going to watch Homer launch his rocket at the end of the movie.