Showcase: Case Closed! Gate Trials
Inventors (Intermediate), mission I1 Forces & Motion, lesson 6 of 6.
Hook
Each gate faces the inspector: 5 pushes, 5 closes. Draw its force arrows on the board.
Fair test
Three official tries against the criteria. The Recorder writes every result on the scoreboard.
Bonus challenge
Explain your gate using the word “unbalanced”.