IS_Unit6_Checkpoint 6.10_E

1(a) The unit of density is cm³/g.

• True

• False

1(b) Breaking a substance into half reduces its density by half.

• True

• False

2(a) Consider 1 kg of cotton and 1 kg of iron. Which of them has a greater mass, if any?

• cotton

• iron

• They have the same mass.

2(b) Consider 1 kg of cotton and 1 kg of iron. Which of them has a larger volume, if any?

• cotton

• iron

• They have the same volume.

2(c) Consider 1 kg of cotton and 1 kg of iron. Which of them has a higher density, if any?

• cotton

• iron

• They have the same density.

3(a) What are the volumes of the blocks?

• P: 4 cm³ , Q: 4 cm³

• P: 8 cm³ , Q: 4 cm³

• P: 4 cm³ , Q: 8 cm³

• P: 8 cm³ , Q: 8 cm³

3(b) What are the the densities of the blocks?

• P: 1.5 g/cm³ , Q: 1.5 g/cm³

• P: 2 g/cm³ , Q: 1.5 g/cm³

• P: 1.5 g/cm³ , Q: 2 g/cm³

• P: 2 g/cm³ , Q: 2 g/cm³

4. What is the density of the stone shown in the diagram if the stone has a mass of 50 g?

• 2.5 g/cm³

• 5 g/cm³

• 20 g/cm³

• 25 g/cm³