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WorksheetsHeat revision
Total questions: 25
Worksheet time: 21mins
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
Conduction of heat takes place only in .................
Solids
Liquids
Gases
Air
_____ expand the least on heating and _______ the most.
liquid, solid
solid, liquid
solid, gas
gas, solid
Heat is a form of _______.
fuel
matter
electricity
energy
The biggest heat source for our planet is the ______________________.
Earth
fire
Moon
Sun
What is temperature scales that used to measure temperature?
Grams
Celsius
Meter
Rahma got an ice cream from her mom. The ice cream melts under the sun because the ice cream ___________.
gains heat from the sun
loses heat to the sun
produce too much heat
How is heat useful to us?Choose 4 correct options.
It keeps us warm
It dries our clothes.
It helps the roots to absorb water.
It is used to cook our food.
It is the energy needed for water cycle to occur.
What happens to water if it gains heat?Choose 3 correct options.
It boils.
It freezes.
It changes its state.
It turns to steam.
It changes its property.
If you dropped a hot rock in a bucket of cold water, the rock will _____________________________.
melt
stay the same temperature
become cooler
become hotter
Temperature and Heat are the same thing?
True
False
Which cup contains more heat?
Cup B
Cup C
The candle will slowly heat the metal and transfer the heat directly to the mans hand. This is an example of _?_.
conduction
convection
radiation
Which material will heat travel through the fastest?
Plastic
Wood
Metal
Which of the following is an example of heat transfer by Convection?
Burning your fingers on a hot iron.
Heat from a heater warming up your whole house
Standing by a campfire and feeling the heat.
All of the above.
