Nicholas TYY's answer to Kc's Primary 6 Science Singapore question.

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Nicholas TYY
Nicholas Tyy's answer
20 answers (Tutor Details)
Should be 2. Not A because mass of air in balloon remains constant. Not D because balloon shrinks.
Scott Teo
Scott Teo
3 years ago
Why not 1? Cos when the volume of air increases in water, shouldn't the balloon attached to the weight float up? That way we could see if the mass increases.