MYP Physics · 01 · structured
A tower of coins
Scientific inquiry and measurement · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- routine
- Marks
- 4
- Topics
- 2
- Answer
- Complete
Question4 marks
Fifty identical coins form a stack 94.0 mm high. Estimate the thickness of one coin and explain why measuring the stack is better than measuring one coin.
Task interpretation
What a complete response should do
Build a visible chain from the information given to the quantity or statement requested.
Name the standard relationship first, keep units attached, and show the substitution before the result.
- Response type
- structured
- Allocation
- 4 marks
- Demand
- routine
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Use your answer and the marking steps—not confidence alone—to choose.