Energy Transfers And Systems Flashcards
1
Q
What are the stores of energy?
A
Kinetic Thermal Chemical Gravitational potential Elastic potential Electrostatic Magnetic Nuclear
2
Q
When is energy transferred ?
A
When something is changing states of moving or vibrating
3
Q
How can be energy be transferred by heating?
A
Heating something
Energy is transferred from heater to object
Increases temperature of object
4
Q
How is energy transferred by doing work
A
Object is lifted , object is system
As it is lifted it works against gravity
Causes energy to be transferred from object kinetic and gravitational energy
5
Q
How is energy transferred by electrical equipment?
A
Electron irons transfer energy from the mains power to the thermal energy store of the plates.