L3 Thermal Energy Transfers
Cool
During convection ______ air sinks.
Hot
During convection __________ air rises.
Heat.
What causes ice to melt?
radiation from the sun.
What causes you to get sunburnt?
No
Is it possible to make something colder by adding "coldness" to it?
Movement of energy
Systems are used to model what?
Boiling water without a lid.
What is a real life example of an open system?
The transfer of thermal energy between materials by particles
What is conduction?
Conduction.
What is it called when you put hot tea in a mug and the mug becomes heated?
A microwave.
What is one real life example of a closed system?
Receiver object.
What is the object that gains energy from energy transfer?
Source object.
What is the object that provides energy for energy transfer?
Solids.
When does convection not occur?
thermal equilibrium
When temperatures of materials that are in contact are the same what is it called?
Convection.
Why is the top of the pool hotter than the bottom of the pool?
