Standard Science Primary 4 Cycles

Jun Jie has a block of plasticine. He rolls it into a ball and then flattens it into a pancake shape. Which of the following remains the same?

A Only its mass
B Both its mass and shape
C Only its volume
D Both its mass and volume
Show Worked Solution

Worked Solution

Step 1: Mass is the amount of matter; it doesn't change unless pieces are removed. Step 2: Volume is the space occupied; changing the shape of a solid doesn't change its volume. Step 3: Therefore, both mass and volume remain constant.

Correct answer: Both its mass and volume

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