Physics 7 - Temperature and Heat Chapter Test

Quiz by Benjamin Arellano

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30 questions
• Q1
Which of the following is NOT a temperature scale?
Celsius
Newton
Kelvin
Fahrenheit
20s
• Q2
What is the SI (International System of Measurement) unit for temperature?
Kelvin
Newton
Celsius
Fahrenheit
20s
• Q3
What instrument is usually used to measure temperature?
voltmeter
thermometer
barometer
photometer
20s
• Q4
Modern thermometers rely on the expansion and contraction of a:
solid
plasma
liquid
gas
20s
• Q5
The freezing point of water on the Fahrenheit scale is?
100
0
32
none of these
30s
• Q6
What are the freezing and boiling points of water on the Celsius scale?
0 and 100
100 and 32
0 and 212
32 and 212
30s
• Q7
What happens at absolute zero?
all molecular motion stops
water starts to boil
objects start to melt
water freezes
20s
• Q8
A child has a temperature of 104ºF. What is the temperature in degrees Celsius?
0
313
271
40
45s
• Q9
Which of the following is the best definition of thermal expansion?
Molecules moving faster.
An object remaining the same size no matter the temperature.
An object decreasing in size due to increased temperature.
An object never changing in size.
20s
• Q10
Why does running a jar under hot water make it easier to open?
Because the gaps between the threads and the lid get larger as it expands.
It doesn't.
Because the gaps between the threads and the lid get smaller as it expands.
Because hot things are more malleable.
20s
• Q11
Alcohol is used in thermometers designated to measure low temperatures. Why?
It has low density.
It has a low melting point.
It expands more than mercury.
It has a low boiling point.
20s
• Q12
The normal body temperature is 37 degrees Celsius. What is the temperature equivalent in Kelvin Scale?
236
32
100
310
45s
• Q13
The expansion of a substance depends on its state. Which statement below shows the expansion in decreasing order?
gas, solid, liquid
solid, gas, liquid
gas, liquid, solid
solid, liquid, gas
20s
• Q14
It is made of two strips of different metals fixed together. It may be used to open and close an electric circuit to control temperature.
thermometer
barometer
bimetalic strip
thermostat
20s
• Q15
On heating, what happens to the vibration of the atoms or molecules of an object?
remains the same
decreases
it stops
increases
20s

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