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HIA International — Grade 8

Unit 1: Photosynthesis and the carbon cycle

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Unit 2: Properties of materials

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Unit 3: Forces and energy

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Unit 4: Maintaining life

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Unit 5: Reactivity

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Unit 6: Sound and space

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Unit 7: Genes and inheritance

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Unit 8: Rates of reaction

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Unit 9: Electricity

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Quiz

Density – Quiz

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Density HIA Science quiz: free practice for HIA International. Work through this Density HIA Science quiz and get instant feedback on every answer. If you get stuck, review the 21.8 Density – Notes lesson. More practice: HIA International — all units. Syllabus: Cambridge Lower Secondary programme.

  • Questions count: 50
  • Passing grade: A-
  • Time limit:
Start Quiz
1.
If two objects have the same volume, the one with more mass has a higher density. True or false?
True
False, it has a lower density
True, but only for liquids
False
2.
Use the table. What is the missing volume?
20 cm³
500 cm³
5 cm³
0.2 cm³
3.
Use the table. Which liquid would sit at the bottom of a column containing all four?
Liquid 3
Liquid 4
Liquid 2
Liquid 1
4.
Which formula gives density?
Mass plus volume
Mass times volume
Volume divided by mass
Mass divided by volume
5.
How could a student improve the accuracy of the volume of a small stone?
Measure the stone with a thermometer
Use a narrower measuring cylinder with finer scale divisions
Guess the volume
Use a bucket
6.
Which pairing of material and use is correct?
Lead - diving weights
Ice - diving weights
Aluminium - bottle stoppers
Cork - aircraft bodies
7.
Using the diagram, the block is made of which material?
Dr Dabour Hub Academy - figure 1
Ice
Lead
Cork
Aluminium
8.
A liquid has a density of 0.8 g/cm³. What volume does 40 g of it take up?
32 cm³
50 cm³
0.02 cm³
40 cm³
9.
In the diagram, which object has a density greater than 1.4 g/cm³?
Dr Dabour Hub Academy - figure 2
R
P
Q
None
10.
A 100 g object with a volume of 50 cm³ will float in water. True or false?
False, it will dissolve
False
True
True, because it is small
11.
Why does the oil in the diagram float on top of the water?
Dr Dabour Hub Academy - figure 3
Oil is heavier than water
Oil is colder than water
Oil dissolves in water
Oil is less dense than water
12.
Using the diagram, what is the density of the block?
Dr Dabour Hub Academy - figure 4
81 g/cm³
0.37 g/cm³
2.7 g/cm³
3.0 g/cm³
13.
To find the volume of an irregular meteorite fragment, Lina lowers it into a measuring cylinder of water and records the _____.
mass of the water
rise in water level
temperature change
height of the cylinder
14.
The stone in the displacement diagram has the mass shown on the balance. What is its density?
Dr Dabour Hub Academy - figure 5
45 g/cm³
1.5 g/cm³
0.33 g/cm³
3.0 g/cm³
15.
What is the third step in the flow chart?
Dr Dabour Hub Academy - figure 6
Compare with water
Measure the temperature
Divide the mass by the volume
Measure the mass
16.
Using the diagram, what is the volume of the stone?
Dr Dabour Hub Academy - figure 7
50 cm³
115 cm³
65 cm³
15 cm³
17.
Use the table. Which of these would float in a liquid of density 1.2 g/cm³ but sink in water?
Plastic Q (1.1 g/cm³)
Plastic S (2.0 g/cm³)
Plastic P (0.9 g/cm³)
Plastic R (1.4 g/cm³)
18.
Why should the stone be dried before its mass is measured?
Water on the stone would add extra mass
Drying changes the stone's material
Water makes the balance faster
A dry stone has more volume
19.
A 24 g object with a volume of 8 cm³ has a density of _____.
192 g/cm³
32 g/cm³
0.33 g/cm³
3 g/cm³
20.
A student's table has one wrong density. Which row?
Row 4
Row 2
Row 1
Row 3
21.
Use the table. Which group's result is anomalous?
Group 4
Group 1
Group 2
Group 3
22.
Measuring volume by the rise in water level is called _____.
density
condensation
displacement
evaporation
23.
Using the bar chart, which materials would float on water?
Dr Dabour Hub Academy - figure 8
Aluminium and lead
Cork, pine and ice
All six
Only cork
24.
The mass of 20 cm³ of ice (0.92 g/cm³) is _____.
18.4 g
20 g
21.7 g
9.2 g
25.
Use the table. What is the mean density of the stone from the three trials?
2.6 g/cm³
2.4 g/cm³
7.5 g/cm³
2.5 g/cm³
26.
Match the term to its description: Sink
The space an object takes up
To fall through because the density is higher than the liquid
To stay on the surface
The amount of matter
27.
Use the table. Which object will sink in water?
Objects A and B
Object C only
None
All three
28.
In the diagram, object P rests on top of the water but sinks through the oil. What is its density?
Dr Dabour Hub Academy - figure 9
Between 0.9 and 1.0 g/cm³
More than 1.4 g/cm³
Less than 0.9 g/cm³
Exactly 1.4 g/cm³
29.
Pine wood floats because its density is lower than that of water. True or false?
True
False, it is denser than water
False
True, but only when dry ice is added
30.
Why is a steeper line on the mass-volume graph a more dense material?
Dr Dabour Hub Academy - figure 10
It has a larger volume
The graph is wrong
More mass is packed into each cubic centimetre
It is lighter
31.
Cutting a block of wood in half halves its density. True or false?
False
True
False, it doubles its density
True, because the mass halves
32.
Using the bar chart, about how many times denser is lead than aluminium?
Dr Dabour Hub Academy - figure 11
About 11 times
About 4 times
About 2 times
About 8 times
33.
Anything less dense than water floats on it. True or false?
False
True, but only if it is wood
True
False, it sinks
34.
Why must the eureka can be filled until water just drips from the spout before the object is added?
Dr Dabour Hub Academy - figure 12
To make the object lighter
To warm the water
So that all the water pushed out by the object is collected
So the object floats
35.
Ice floats because water expands as it freezes. True or false?
False
False, ice is denser than water
True
True, but only in salt water
36.
What is the mass of 10 cm³ of aluminium (density 2.7 g/cm³)?
2.7 g
27 g
270 g
0.27 g
37.
Why does ice float on water?
Ice has less mass than all the water
Ice is less dense than liquid water
Ice is colder than water
Ice is made only of air
38.
When reading the measuring cylinder in the diagram, how should the student read the level?
Dr Dabour Hub Academy - figure 13
From below the bench
From the top of the cylinder
From above at an angle
At eye level, from the bottom of the curved surface
39.
In the eureka can shown, what does the water collected in the measuring cylinder tell you?
Dr Dabour Hub Academy - figure 14
The volume of the object
The mass of the object
The temperature of the object
The density of water
40.
An object has a density of 0.8 g/cm³. What happens when it is placed in water?
It sinks
It dissolves
It stays at the bottom and rises later
It floats
41.
A student wants to find out whether a bracelet is pure gold (19.3 g/cm³). Which plan is best?
Measure its mass on a balance, its volume by displacement, calculate density and compare with 19.3 g/cm³
Weigh it only
Put it in a magnet
Look at its colour
42.
What is density?
The weight of an object in newtons
How hot a material is
The space an object takes up
The mass of a material in each unit of volume
43.
Why is cork used for bottle stoppers and floats?
It has a very low density
It is very dense
It conducts electricity
It dissolves in water
44.
Using the graph, what is the density of material X?
Dr Dabour Hub Academy - figure 15
0.125 g/cm³
160 g/cm³
8 g/cm³
4 g/cm³
45.
Using the graph, which material could be aluminium (2.7 g/cm³)?
Dr Dabour Hub Academy - figure 16
Material Y
Material X
Neither
Both
46.
A block has a mass of 60 g and a volume of 20 cm³. What is its density?
80 g/cm³
1200 g/cm³
3 g/cm³
0.33 g/cm³
47.
What does displacement measure?
The mass of an object
The density of water
The temperature of a liquid
The volume of an object from the rise in water level
48.
Use the table. What is the density of object C?
0.2 g/cm³
0.5 g/cm³
20 g/cm³
2 g/cm³
49.
Why is lead used for diving weights?
It floats in water
It has a very low density
It is a good insulator
It has a very high density
50.
Density can be given in g/cm³ or kg/m³. True or false?
False, only in newtons
True
False
False, only in grams
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Part of Unit 3: Forces and energy — see every lesson and quiz in this unit.
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