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Primary 4 | Science
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Kindly advise if my answers are correct. Thanks
Date Posted: 4 years ago
Views: 1390
a) asks to state observations instead of explaining like you did in your answer
① the balloon expanded
② some water spilled/flowed out of the opening
① the balloon expanded
② some water spilled/flowed out of the opening
b) if your explanation is that the balloon burst, then the observations would be :
① air bubbles were formed in the water/ the water appeared to be bubbling
① air bubbles were formed in the water/ the water appeared to be bubbling
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done
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clear
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Remember that liquid cannot be compressed so if the balloon gets bigger, the water has to decrease to make space for the balloon to increase in size/air (mass)
Date Posted:
4 years ago
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