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Question-1
Conduction cannot occur in:
(A)
Solids
(B)
Liquids
(C)
Gases
(D)
Vacuum
Question-2
Materials that do not allow heat to pass through them easily are called:
(A)
Conductors
(B)
Insulators
(C)
Radiators
(D)
Transmitters
Question-3
Matter has:
(A)
One physical state
(B)
Two physical states
(C)
Three physical states
(D)
Four physical states
Question-4
In Celsius scale, the lower fixed point 0
o
C is the:
(A)
Melting point of ice
(B)
Freezing point of water
(C)
(a) or (b)
(D)
Boiling point of water
Question-5
The rate of evaporation depends on the :
(A)
Density of liquid
(B)
Kind of liquid
(C)
Colour of liquid
(D)
Volume of liquid
Question-6
Conduction can easily occur in:
(A)
Solids
(B)
Liquids
(C)
Gases
(D)
Vacuum
Question-7
Which of the following surface absorbs energy most rapidly?
(A)
White surface
(B)
Polished surface
(C)
Black surface
(D)
All the above
Question-8
Convection can only occur in:
(A)
Liquids and solids
(B)
Solids and gases
(C)
Liquids and gases
(D)
Solids
Question-9
The lowest possible temperature is:
(A)
0
o
C
(B)
-1
o
C
(C)
-10
o
C
(D)
-273
o
C
Question-10
The temperature at which a solid melts is called its:
(A)
Boiling point
(B)
Freezing point
(C)
Melting point
(D)
Absolute zero
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Cambridge Secondary Grade 8
IGCSE
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