Laura Wong's answer to Seow Yu Xuan's Primary 4 Maths Singapore question.
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a) gas
b) air in the bubbles is less dense than the water so it floats in water
c) increase. the air in the sponge has escaped and water has entered the sponge. water is more dense and heavier than air so the sponge’s mass will increase.
b) air in the bubbles is less dense than the water so it floats in water
c) increase. the air in the sponge has escaped and water has entered the sponge. water is more dense and heavier than air so the sponge’s mass will increase.
Date Posted:
4 years ago
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