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WorksheetsHeat
Total questions: 20
Worksheet time: 28mins
S.I UNIT OF TEMPERATURE IS Fahrenheit
TRUE
FALSE
S.I UNIT of heat IS (a) .
One degree Celsius rise in temperature is equal to ___________.
1 degree rise on the Kelvin scale
1 degree rise on the Fahrenheit scale
both (a) and (b)
1 degree fall on the Kelvin scale
The increase in length of a solid when heated is called ___________.
thermal expansion
linear expansion
superficial expansion
cubical expansion
SI Scale of temperature is ___________.
Celsius scale
Kelvin scale
Fahrenheit scale
Reaumur scale
The increase in area of a solid when heated is called ___________.
thermal expansion
linear expansion
superficial expansion
cubical expansion
What is Thermal Contraction
The movement of particles.
A decrease in a materials volume when its temperature decreases
The movement of fluids in a cycle because of convection
A material through which thermal energy does not flow easily.
The student quickly discovers that placing the marshmallow over the flame is more effective than heating the marshmallow on the side of the flame.
What type of heat transfer is present when the marshmallow is above the fire that is not present when the marshmallow is on the side of the fire?
If temperature rises by
200 C, then in kelvin scale rise in temperature is273
293
253
20
Why are there small gaps between rails?
The small gaps provide space for easy expansion of rails during hotter weather.
The small gaps allow air to keep the noise low for hotter weather.
The small gaps are not important
There are small gaps due to aesthetics
Cold Pack on Person
Heat is transferred from the cold pack to the person.
Heat is transferred from the person to the cold pack
The cold pack is getting warmer. The person is getting colder.
The cold pack is getting colder. The person is getting warmer.
What is the measurement of the average kinetic energy of a substance? (a)
The term ABSOLUTE ZERO refers to what temperature?
0 oC
0 oF
0 K
373 K
Convert 30°C to Fahrenheit
860°F
86°F
63.8°F
56°F
