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WorksheetsHEAT: Heat transfer 4
Total questions: 16
Worksheet time: 21mins
When things are hot molecules are moving...
Fast
Slow
They are not moving
They are moving by not fast or slow
Heat that is transferred because of touching is called...
Radiation
Conduction
Convection
Reflection
Sam placed a glass of water in the refrigerator. After about an hour he took it out and found it to be colder.
What is the most likely thing that happened?
the cold that was in the refrigerator transferred into the water
the particles in the water started to move faster
the cold from the refrigerator radiated into the glass
the heat that was in the water transferred out into the refrigerator
Freddie is drinking a cold glass of Kool-Aid in the sun on a hot day. He puts the glass down in the sun and the glass begins to warm.
What is happening to the small particles that make up Kool Aid? They. . .
contract
slow down
move faster
disappear
If you put a glass of water in the freezer, why did the water freeze?
The cold radiation from the freezer made the water colder.
The cold from the freezer flowed into the glass of water.
The heat moved from the glass of water to the freezer.
The cold particles touched the glass and transferred cold to the water.
What is thermal equilibrium?
The transfer of heat through the movement of molecules due to density differences.
The point when substances have reached the same temperature.
The transfer of heat through electromagnetic waves.
The measurement that compares the amount of mass an object has to its volume.
What is convection?
The transfer of heat through the movement of molecules due to density differences.
The transfer of energy from a warmer object to a cooler object.
The transfer of heat through electromagnetic waves.
The transfer of heat through molecular contact.
