Physics Chapter 1 Test

A ruler is used to measure the length of an object.

What is the length of the object?

• 3.0 cm

• 4.0 cm

• 5.0 cm

• 6.5 cm

A stopwatch is used to time a runner in a race. The diagrams show the stopwatch at the start and at the end of a lap of the race.

How long did the runner take to finish the lap of the race?

• 50.0 s

• 50.1 s

• 90.0 s

• 100.1 s

1. Diagram 1 shows a measuring cylinder containing water. Five identical steel balls are now lowered into the measuring cylinder. Diagram 2 shows the new water level in the cylinder. What is the volume of each steel ball?

• 6 cm³

• 14 cm³

• 30 cm³

• 70 cm³

The table gives the volume and masses of four objects. Which object has the greatest density?

• A

• B

• C

• D

Diagram 1 shows an empty measuring cylinder on a balance. Diagram 2 shows the same measuring cylinder on the balance, but it now contains a liquid. What is the density of the liquid?

• 0.2 g/cm³

• 0.5 g/cm³

• 2.0 g/cm³

• 5.0 g/cm³

Complete the table. [ 4 marks]

Define a scalar quantity and a vector quantity. [ 2 marks]

Fig 3.1 shows part of a measuring instrument.

a.) Write the name of this instrument. [ 1 mark]

b.) Record the reading shown in Fig 3.1 ­­­­­­­­­­­­­­­­­[ 1 mark]

c.) Describe how you would find the thickness of a sheet of paper used in a magazine. [3 marks]

At an antique market, a collector buys what is advertised as a small ancient gold statue. When the collector tests it in the laboratory, he finds its mass is 600g and its volume is 65 cm³.

a.) Describe how the volume of the statue could be measured. [ 3 marks ]

b.) Use the figures given above to decide whether the statue was really made of gold. Show your working. [ 3 marks ]

c.) Was the statue made of gold? Explain. [ 2 marks ]

A student has a large number of coins of different diameters, all made of the same metal. She wishes to find the density of the metal by a method involving placing the coins in water.

a.) State the formula needed to calculate the density. [ 1 mark]

b.) Describe how the measurements of the required quantities are carried out. [ 5 marks]