Length and Time

A student wishes to find the volume of a small, irregularly-shaped stone.

A ruler and a measuring cylinder containing some water are available.

Which apparatus is needed?

• neither the ruler nor the measuring cylinder

• the measuring cylinder only

• the ruler and the measuring cylinder

• the ruler only

A measuring cylinder is used to measure the volume of a quantity of water.

Which measuring technique would not improve the accuracy of the measurement?

• making sure that the measuring cylinder is vertical

• making sure that the water surface is at eye level

• reading the top of the water meniscus

• using the smallest measuring cylinder available that will contain all the water

The diagram shows four identical spheres placed between two wooden blocks on a ruler.

What is the diameter of one sphere?

• 1.0 cm

• 2.0 cm

• 3.0 cm

• 4.0 cm

A cook wants to prepare some food to be cooked by 1.15 p.m. He uses an oven with an automatic timer that can be set to switch on and off at certain times. The oven needs to be switched on for 2 hours 10 minutes.

At which time does the oven need to switch on?

• 11.05 a.m

• 11.25 a.m

• 3.05 p.m

• 3.25 p.m

Which option contains only apparatus that could be used to determine the volume of a small block of unknown material?

• measuring cylinder, metre rule

• measuring cylinder, stopwatch

• metre rule, balance

• metre rule, stopwatch

A student uses a measuring cylinder to measure the volume of a quantity of water.

Which action would make her result less accurate?

• making sure her eye is level with the water surface

• making sure the cylinder is vertical

• reading the bottom of the meniscus

• using the largest measuring cylinder possible

A student uses a measuring cylinder to measure the volume of some water. The diagram shows part of the measuring cylinder. The top and bottom of the meniscus are labelled.

What is the volume of the water?

• 47.0 cm³

• 47.5 cm³

• 49.0 cm³

• 47.5 cm³

The diagram shows part of a ruler. The ruler is used to find the length of a nail.

What is the length of the nail?

• 2.2 cm

• 2.7 cm

• 3.2 cm

• 3.7 cm

Which instrument is used to compare the masses of objects?

• a balance

• a barometer

• a manometer

• a measuring cylinder

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?

• 50.00 seconds

• 50.10 seconds

• 90.00 seconds

• 100.10 seconds