Explores the definition, instruments, accuracy, and errors associated with measuring mass, weight, length, and time.
What students will learn
- Define fundamental physical quantities and their SI units.
- Identify the appropriate instruments for measuring length, mass, weight, and time.
- Explain the concepts of accuracy and precision in scientific measurements.
- Calculate measurement errors and express readings with correct significant figures.
- Apply the use of the Parts of a Vernier Caliper for Length Measurement to determine small dimensions.
Sample quiz questions
Which of the following is an SI base quantity with its correct SI unit?
- A. Mass - Grams
- B. Length - Meter
- C. Weight - Newton
- D. Time - Minutes
A student measures the length of a desk as 1.52m using a meter rule. If the true length is 1.50m, what is the absolute error in the measurement?
- A. 0.02m
- B. 1.50m
- C. 0.01m
- D. 0.05m
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