1. Paper is sold in packets labelled 80 g / m². This means that a sheet of paper of area 10 000 cm² has a mass of 80 g.

The thickness of each sheet is 0.11 mm.

What is the density of the paper?

2. The diagram shows the image of a clock in a plane mirror.

What time is shown?

3. The diagrams show four blocks with the same mass.

Which block is made from the least dense material?

4. A student is told to measure the density of a liquid and also of a large cube of metal.

Which pieces of equipment are sufficient to be able to take the measurements needed?

5. Two blocks of metal X and Y hang from spring balances, as shown in the diagrams.

What does the diagram show about X and Y?

6. What is the density of a 150g bowling ball that has a volume of 15cm³?

7. A 1 kg sample of aluminium is stored in a laboratory. In a different laboratory, in the same town, there is a 1 kg sample of iron.

Which quantity must these two samples always have in common?

8. A man has a mass of 60 kg on Earth. The Earth’s gravitational field strength is 10 N / kg.

The Moon’s gravitational field strength is 1.6 N / kg.

What is the man’s weight on the Moon?

9. The unit for density is ………………

10. A solid has a mass of 200g. It measures 2cm x 4cm x 5cm. Its density in kg/m3 is..