1.what happen to a liquid when heated ?
A.it remains the same
B.it increases in volume
C.it increase in temperature
D.its temperature cannot be determined
2.what do you call the transfer of heat through air ?
A.convection
B.radiation
C.conduction
D.roasting
3.how do sound travel through air ?
A.very fast
B.very slowly
C.in jumping motion
D.fast in random manner
4.which of the following statement is true ?
A.light always travel in a straight line
B.sound always travel faster in air than in solids
C.heat transfer through liquid is known as radiation
D.sound cannot travel through the air
5.which of the following statements about sound is correct?
A.sound cannot travel through a solid
B.sound travel faster in air than in solid
C.sound travel faster in solids than in air
D.the travel of sound is not affected by the medium through which it travels.
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Answer:
1.c
2.a
3.b
4.d
5.c
Explanation:
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