The diagram shows part of a vernier scale.

1.   ?    30.5 mm
2.   ?    33.5 mm
3.   ?    38.0 mm
4.   ?    42.5 mm

Vernier calipers are used to measure the internal diameter of a pipe.

1.   ?    5.0 cm
2.   ?    7.5 cm
3.   ?    12.0 cm
4.   ?    16.5 cm

What should be used to measure the diameter of a steel ball bearing as accurately as possible?

1.   ?    Measuring cylinder
2.   ?    Micrometer
3.   ?    Rule
4.   ?    Vernier calipers

A quantity of water is poured into a measuring cylinder. A small rock is then added carefully.
The two diagrams show the water levels and the measuring cylinder scales.

1.   ?    Volume of water: 32.5 cm³ ; Volume of rock: 22.0 cm³
2.   ?    Volume of water: 32.5 cm³; Volume of rock: 54.5 cm³
3.   ?    Volume of water: 35.0 cm³ ; Volume of rock: 24.0 cm³
4.   ?    Volume of water: 35.0 cm³ ; Volume of rock: 59.0 cm³

Calipers, micrometers and rulers are instruments for measuring length.
Which of these instruments usually have vernier scales?

1.   ?    Calipers and micrometer
2.   ?    Caliper and ruler
3.   ?    Micrometer and ruler
4.   ?    Caliper, micrometer and ruler

A students uses a vernier callipers to measure the diameter of a wooden cylinder.
The diagram shows an enlargement of the calipers scales.

1.   ?    2.40 cm
2.   ?    1.64 cm
3.   ?    0.62 cm
4.   ?    0.42 cm

The bob of the simple pendulum is pulled slightly to one side and released.
The motion during its swing is shown in the graph.

1.   ?    0.5 s
2.   ?    1.0 s
3.   ?    1.5 s
4.   ?    2.0 s

The diagram shows some liquid in a measuring cylinder.

1.   ?    32 cm³
2.   ?    33 cm³
3.   ?    34 cm³
4.   ?    36 cm³

Which instruments most accurately measure the thickness of a coin and the internal diameter of a test tube?

1.   ?    Micrometer, Rule
2.   ?    Micrometer, Vernier Calipers
3.   ?    Rule, Micrometer
4.   ?    Rule, Vernier calipers

A student had been asked to calculate the volume of a piece of wire, which is roughly 80 cm long and
about 0.2 cm in diameter.
Which measuring instruments should the student use?

1.   ?    Metre rule, Micrometer
2.   ?    Metre rule, Vernier calipers
3.   ?    Micrometer, Vernier calipers
4.   ?    Vernier calipers, Micrometer

The diagram show a measuring cylinder which contains a volume of water.

1.   ?    Measure the temperature of the water.
2.   ?    Have the scale facing towards you.
3.   ?    Have your eyes level with the meniscus.
4.   ?    Read the level at the bottom of the meniscus.

A pendulum oscillates between position X and Z as shown in the diagram.
It takes 1.5 s to go from X to Z and back to the mid point Y.

1.   ?    0.5 s
2.   ?    1.0 s
3.   ?    1.5 s
4.   ?    2.0 s

Micrometer is used to measure the ........................

1.   ?    mass
2.   ?    length
3.   ?    force
4.   ?    current

A plumber needs to measure the internal diameter of a water tap as accurately as possible,
Which instrument should be used?

1.   ?    measuring tape
2.   ?    metre rule
3.   ?    micrometer
4.   ?    vernier calipers

A student investigates how the temperature of a beaker of water changes with time as it is heated. The diagrams show the readings on his stopwatch as the water reaches different temperatures.

1.   ?    1 min 54 s
2.   ?    2 min 06 s
3.   ?    3 min 46 s
4.   ?    5 min 40 s