Unit Test — Unit test Answers

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A thermogram taken outside a house shows high amounts of thermal energy around the windows but not around the roof.Which conclusion supports the thermogram?

A
The windows and the roof are energy efficient.
B
The windows and the roof are not energy efficient.
C
The windows are not energy efficient, but the roof is energy efficient.
D
The windows are energy efficient, but the roof is not energy efficient.
23

A stovetop burner on medium reaches 95°C. Which will also receive a flow of heat directly from the burner?

A
the surrounding air
B
a burner at the same temperature
C
a pan heated to 100°C
D
hotter water inside a pan
25

Where could convection currents form?

A
in a sand dune
B
on a pavement
C
in the atmosphere
D
in outer space

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