Term 1 Week 3 · Two Forces, Two Objects · CG Quarter 1, competencies 4–5
Put this up before the task starts, not after
| Criterion | 4Full | 3Sufficient | 2Partial | 1Just beginning |
|---|---|---|---|---|
| It performs | Carries 15 g over the full 5 m, repeatably | Carries 15 g over 5 m once | Moves, but short of 5 m or without the payload | Does not move under its own action |
| Action–reaction identified | Names both objects in the driving pair — the vehicle pushes the air backwards, the air pushes the vehicle forwards | Names the pair loosely | Says action and reaction with no objects | Not addressed |
| Forces and vectors described | Every force named with its direction and the object it acts on, including friction | Driving force and one other | Driving force only | Absent |
| Recycled materials | Built entirely from reused or found material | Mostly reused | Some reused | Bought |