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WorksheetsHeat
Total questions: 24
Worksheet time: 26mins
The moving of air in the image is an example of _?_.
radiation
convection
conduction
In heat transfer, heat always flows from the _?_ substance to the _?_ substance.
hotter to colder
colder to hotter
hotter to hotter
colder to colder
In which of the following modes of heat transfer, do the molecules travel from the hotter part of the body to the colder part?
Conduction
Convection
Radiation
All of the three
SI Scale of temperature is ___________.
Celsius scale
Kelvin scale
Fahrenheit scale
Reaumur scale
The unit of measurement of temperature is ___________.
metre
kilogram
degree celsius
second
Heat always flows ___________.
from a colder object to a hotter object
from a hotter object to a colder object
in both directions
from a stationary object to a moving object
What is the normal body temperature of a healthy person?
37°C
37°F
37°K
98.4 K
A thermometer contains __________.
water
mercury
silver
copper
Name the device which is used to measure the hotness or coldness of an object.
Picometer
Barometer
Manometer
Thermometer
Which one of the following is a reliable measure of heat?
Hotness
Coldness
Temperature
None of these
What are the units for energy?
Joules (J)
Watts (W)
Kilograms (kg)
Seconds (s)
