WorksheetsIS_Unit5_Checkpoint 5.6_E
Total questions: 6
Worksheet time: 3mins
Name
Class
Date
1.
1(a) Heat can be transferred in air by radiation.
a)
True
b)
False
2.
1(b) A shiny silver surface absorbs more radiation than a dull black surface.
a)
True
b)
False
3.
2(a) The stopper of the vacuum flask prevents heat transfer through
a)
conduction.
b)
convection.
c)
radiation.
4.
2(b) The stopper and support are usually made of poor conductors of heat. Why?
a)
They prevent heat transfer through conduction.
b)
They prevent heat transfer through convection.
c)
They prevent heat transfer through radiation.
5.
2(c) The silver glass walls prevent heat transfer through
a)
conduction
b)
convection
c)
radiation
6.
2(d) The vacuum between the walls prevents heat transfer through
a)
conduction and convection.
b)
convection and radiation.
c)
conduction and radiation.
d)
conduction, convection and radiation.
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