Functional unit — Science definition
The equal service used as a basis for comparison.
Where it is taught
- Life-Cycle Energy & Resource Accounting — Energy, Water & Material Resources, Physics & Environmental Science, Grade 12
Questions using functional unit
Problem 1
Why specify a functional unit?
Answer and explanation
It ensures the alternatives provide comparable service.
Response criteria
- State a scientifically accurate conclusion.
- Show the calculation or mechanism that supports it.
- Include units, conditions, or limits where relevant.