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IMSO 2005 Taiwan Selection — Science First Round Question 28

IMSO Science · IMSO 2005 Taiwan Selection — Science First Round

Question 28

The data table below shows the masses and volumes of three objects (I, II, and III).

| Object | Mass | Volume |
|---|---|---|
| I | 4 g | 2 cm³ |
| II | 6 g | 6 cm³ |
| III | 8 g | 4 cm³ |

The formula for calculating an object’s density is $\text{Density}=\frac{\text{Mass}}{\text{Volume}}$. Which statement about the densities of these three objects is correct?
  1. II is more dense than I.
  2. I is more dense than III.
  3. II and III have equal densities.
  4. I and III have equal densities.