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26 questions
A teacher asks a pupil to measure the width of the science laboratory table. Which one of the following instruments should he choose?
A measuring tape
A pair of dividers
A pair of external calipers
A 30-centimeter ruler
Two marbles of equal diameters were arranged on a meter ruleas shown in the figure. The diameter of one marble is __________.
0.6 cm
1.2 cm
2.7
3.3 cm
A student carries out an experiment to determine the mass of paraffin oil in a beaker. The readings obtained from the experiment are as follows:
Mass of empty beaker = 45.3 g
Mass of beaker + paraffin oil = 115.3 g
What is the mass of the paraffin oil?
45.3 g
115.3 g
70.0 g
160.6 g
The normal body temperature of a person is?
98.4°C
36.6°C
37.0°C
26.9°C
Aminah wants to measure 75 cm3 of water. Which of the following will she use?
Beaker
Gas jar
Conical flask
Measuring cylinder
The figure shows an experiment to find the volume of an irregular-shaped object. The volume of the object can be determined by the formula:
V1 + V2
V1 - V2
V2 - V1
V1 x V2
Four identical marbles are put into the measuring cylinder as shown in Figure. The volume of each marble is __________.
0.2 cm3
2.0 cm3
2.5 cm3
8.0 cm3
An external calipers can be used to measure the external diameter of a tube as shown in figure below. What is the diameter of the tube?
1.5 cm
2.0 cm
3.5 cm
15.0 cm
An object sinks in water. It follows that the density of the object __________.
is more than that of water.
is less than that of water.
is equal to that of water.
is not possible to determine.
Find the density of kerosene if 60 cm3 of kerosene weighs 48 g.
1.0 g/cm3
12.0 g/cm3
0.8 g/cm3
6.0 g/cm3
A piece of metal cube weighs 24 g and its volume is 50 cm3. Find the density of the metal.
0.48 g/cm3
9.0 g/cm3
400 g/cm3
500 g/cm3
Table shows the mass and volume of four different types of solids. Which solid A, B, C and D will float on water (density: 1.0) ?
Mass = 1.4 g, Volume = 0.25 cm3
Mass = 2.5 g, Volume = 4.3 cm3
Mass = 5.4 g, Volume = 3.2 cm3
Mass = 10.2 g, Volume = 8.6 cm3
The density of a piece of moon stone is 3.0 g/ cm3. What will be its density when it is brought back to earth?
0.0 g/cm3
3.0 g/cm3
Less than 3.0 g/cm3
More than 3.0 g/cm3
The pictures show an experiment comparing the mass of four different objects of equal volume labelled A, B, C, D against the mass of the same volume of water.
Which object has the greatest density?
A
B
C
D
When 20 drops of water were added from a dropper, the water level changes from 40 cm3 to 50 cm3, as shown in figure below. Calculate the volume of one drop of water.
0.5 cm3
5.0 cm3
10.0 cm3
20.0 cm3
Study figure below carefully. The length of the piece of wood P is __________.
2.0 cm
6.3 cm
8.3 cm
10.3 cm
Ahmad put a measuring cylinder under a leaking tap as shown in figure below. He collected 50 drops of water. He found out that the volume of water collected was 15 cm3. What is the volume of one drop of water.
0.30 cm3
0.75 cm3
3.30 cm3
3.50 cm3
Figure below shows the change in the temperature of ice when it is heated with a steady source of energy.
Which part of the graph labelled A, B, C or D shows the temperature of melting ice.
A
B
C
D
A cube with sides 3 cm long is made from a material of density 10 g/ cm3. What is the mass of the cube?
3 g
13 g
30 g
270 g
The densities of different substances are shown in the down below.
Solid P = 2.1 g/cm3
Liquid Q = 13.2 g/cm3
Liquid R = 1.2 g/cm3
Which of the following beaker in figure below shows the correct position of the substances?
A
B
C
D
A quantity of water is pour into a measuring cylinder. A small rock is then added carefully. The two diagrams show the water levels and the measuring cylinder scales. What are the correct values for the initial volume of water and volume of the rock?
A
B
C
D
Which piece of apparatus is used to measure exactly 24.5 cm3 of a liquid?
A
B
C
D
Which piece of apparatus should be used for the accurate measurement of 30.0 cm3 of a liquid?
Beaker
A burette
A measuring cylinder
A conical flask
Which measurements are needed to determine the density of a solid?
Mass and force
Mass and volume
Pressure and force
Pressure and volume
A stone of mass 40 g is lowered into a measuring cylinder. The water level rises as shown. What is the density of the stone?
0.5 g/cm3
0.8 g/cm3
1.2 g/cm3
2.0 g/cm3
What are the names of the units of mass and weight?
Mass: kilogram
Weight: kilogram
Mass: kilogram
Weight: Newton
Mass: Newton
Weight: kilogram
Mass: Newton
Weight: Newton
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