Physics Measurements, Graphs & Uncertainty — Drills · Grade 12 Science
Chapter: Measurement & Vector FoundationsWhat these drills covers
By the end of Physics Measurements, Graphs & Uncertainty you should be able to:
- I can convert units, track significant figures, and distinguish precision from accuracy.
- I can interpret a graph or repeated measurements with stated uncertainty.
2 questions, numeric and written answer, each with a worked explanation.
Vocabulary used: dimension, residual, resolution.
Problem 1
Trials are 1.8,2.0,2.2 s. Find mean.
Hints
Write the relationship first; substitute with consistent units.
Answer and explanation
2 s
6/3=2.
Problem 2
What does a slope unit m/s² suggest?
Answer and explanation
Acceleration, if the vertical axis is velocity and horizontal time.
Response criteria
- State a scientifically accurate conclusion.
- Show the calculation or mechanism that supports it.
- Include units, conditions, or limits where relevant.