Measurement and Uncertainty
Leaning Objectives
- Fundamental and Derived Units
- Unit Conversion
- Significant Figures
- Calculation with significant figures
- Uncertainty and Error
- Systematic error and random error
- Accuracy and Precision
- Calculation with uncertainty and significant figures
- Vector and Scalar
- Test and Practice Question
Each subtopic contains at least one set of practice questions, and at the end of the unit, there will be a practice exam. For IB students, this will the be first topic you are going to learn in your syllabus, which mainly focusing on uncertainty and error.
Complete Lecture For The Unit
- The video is the complete lectures of this unit. Each subtopic contains a short video from the complete lecture, so that it is easier for you to find the specific topic you want to study.
Online Simulation
SI Base Units
| Quantity | Unit | Symbol |
|---|---|---|
| Length | Meter | m |
| Mass | Kilogram | kg |
| Time | Second | s |
| Temperature | Kelvin | °K |
| Amount of substance | Mole | mol |
| Current | Ampere | A |
| Luminous intensity | Candela | cd |
| Plane angle | Radian | rad |
| Solid angle | Steradian | sr |