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WorksheetsHeat and its effects
Total questions: 9
Worksheet time: 2mins
Heat is a (a)
When we rub our hands mechanical energy changes into _
Heat energy
Thermal energy
both
If an electric bulb is lit, it will get hot after few hours because
Electric energy will change into heat energy
Electric energy will change into light energy
An object will have more heat energy if its kinetic energy is
more
less
normal
The liquid (Mercury ) rises in thermometer if, kept in hot water bath because
Liquid expands on heating
Liquid contracts on heating
Mercury moves if its disturbed
The balloon increases in size because
The air inside the balloon expands on heating
The air increases its weight on heating
Gases expands quickly because
The space between their particles is more
They have weak forces between their particles
Both answers are correct
Gases expand more (a) than liquids
When particles absorb heat their ____________ energy increases
Kinetic Energy
Potential Energy
