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20 questions
When particles gain heat energy they...
Move slowly
Move faster
Move at the same speed
Stop moving
Heat energy flows...
To colder objects
To hotter objects
Back and forth
In a circular manner
When you heat the particles in air they...
Sink
Stay in the same spot
Rise and sink
Rise
Complete the sentence:
Heat always flows from an object of higher temperature to one of _______
lower temperature
higher temperature
Complete the sentence:
Gases are ______ conductors of heat
good
poor
Complete the sentence:
Insulators are ______ conductors of heat
good
poor
Complete the sentence:
On a hot day, the upstairs of a house or roof space is hotter because of ______
conduction currents
convection currents
Which two of the listed materials are good conductors of heat?
Copper
Plastic
Gold
Fabric
Which two of the listed materials are good insulators of heat?
Copper
Plastic
Gold
Fabric
Which type of heat transfer requires direct contact with the heat source?
Radiation
Conduction
Convection
Which type of heat transfer travels away from the heat source in all directions?
Radiation
Conduction
Convection
Which type of heat transfer travels away from the heat source a circular (rising and falling) motion?
Radiation
Conduction
Convection
Identify the method of heat transfer for the following scenario:
Your feet get hot when walking on hot sand at the beach.
Convection
Conduction
Radiation
Identify the method of heat transfer for the following scenario:
Your back feels warm when you are sitting in the sun.
Convection
Conduction
Radiation
Identify the method of heat transfer for the following scenario:
You boil water in a pot.
Convection
Conduction
Radiation
Identify the method of heat transfer for the following scenario:
You feel cold when you dive into a pool.
Convection
Conduction
Radiation
Identify the method of heat transfer for the following scenario:
You feel warm sitting next to the fire.
Convection
Conduction
Radiation
Identify the method of heat transfer for the following scenario:
You feel warm walking into a room which has a heater on.
Convection
Conduction
Radiation
Which colour absorbs more heat?
White
Black
Silver
True or False?
Heat energy needs a medium (like a solid, liquid or gas) to travel through.
True
False
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