School Assignments

Testable and Non-Testable Questions

Write whether these are testable or non-testable and also justify why they’re testable.
1. Is honesty the most important quality in a person?
2. Which paper towel absorbs the most water?
3. Is it wrong to cut down trees?
4. Is green the best color for plants?
5. Does exercise increase heart rate?
6. Which liquid causes the most rust on iron nails?
7. Is it good to drink coffee every day?
8. Should people eat meat?
9. Does salt affect the freezing point of water?
10. We can measure growth in different light conditions.

No.	Question	Testable / Non-Testable	Justification (Reason)
1	Is honesty the most important quality in a person?	Non-testable	It is based on opinion and cannot be measured or tested scientifically.
2	Which paper towel absorbs the most water?	Testable	You can test it by measuring how much water each paper towel absorbs.
3	Is it wrong to cut down trees?	Non-testable	It is a moral or ethical question, not a scientific one.
4	Is green the best color for plants?	Non-testable	“Best” is a matter of opinion. Science can test light effects but not which color is “best.”
5	Does exercise increase heart rate?	Testable	You can measure heart rate before and after exercise to test it.
6	Which liquid causes the most rust on iron nails?	Testable	You can test it by putting iron nails in different liquids and observing rust formation.
7	Is it good to drink coffee every day?	Non-testable	“Good” is subjective. Science can study health effects but not personal opinions.
8	Should people eat meat?	Non-testable	This is an ethical or personal choice, not a scientific question.
9	Does salt affect the freezing point of water?	Testable	You can test it by freezing water with and without salt and measuring temperature changes.
10	We can measure growth in different light conditions.	Testable	Growth can be measured scientifically under different light types to compare results.

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