Test Answers

25 verified answers
21
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The diagram shows the scales used for recording temperatures. The labels for the scales are missing.

Question illustration
A
W: FahrenheitX: CelsiusY: Kelvin
B
W: KelvinX: CelsiusY: Fahrenheit
C
W: CelsiusX:FahrenheitY: Kelvin
D
W:CelsiusX: KelvinY: Fahrenheit
22
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Which factors affect heat transfer between a warm and a cool substance?

A
the time it took to heat the substance, the area of contact, and the specific heats of the substances
B
the amount of time of contact, the area of contact, and the specific heats of the substances
C
the time it took to heat the substance, the area of the substances, and the specific heats of the substances
D
the amount of time of contact, the area of the substances, and the specific heats of the substances
24

What must be true about two objects if heat is flowing between them?

A
The objects must be different temperatures.
B
The objects must be the same temperature.
C
The objects must both be over room temperature.
D
The objects must both be under room temperature.
25

Which substance has the most thermal energy and will have the most heat flow from it?

A
a stovetop burner on medium (200°C)
B
a nuclear reactor core (1000°C)
C
the human body (36°C)
D
air at room temperature (32°C)

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