WorksheetsHeat and its effect
Total questions: 15
Worksheet time: 10mins
The sensation of hotness or coldness is caused by ..................... ENERGY
magnetic
electrical
heat
mechanical
Temperature of an object is measured with a/an .....................
barometer
lactometer
thermometer
electrometer
the range of a clinical thermometer is from 35*C to
40*C
42*C
44*C
45*C
the range of laboratory thermometer is from -10*C to
90*C
100*C
110*C
120*C
In Celsius scale, the lower fixed point is ....................
100
32
212
0
Conduction of heat takes place only in .................
Solids
Liquids
Gases
Air
Pressure cookers are provided with .................... handles
copper
bakelite
aluminium
brass
Heat is a (a)
When we rub our hands mechanical energy changes into _
Heat energy
Thermal energy
both
The balloon increases in size because
The air inside the balloon expands on heating
The air increases its weight on heating
_____ expand the least on heating and _______ the most.
liquid, solid
solid, liquid
solid, gas
gas, solid
Convert 140 oF into oC
284
45.77
194.4
60
