Energy transfer Flashcards
What are the 9 types of energy?
Electrical Light Sound Kinetic Nuclear Thermal Gravitational potential Elastic Chemical
When is it electrical energy?
Whenever a current flows
Where do you get light energy from?
Sun
Lightbulbs
Where do you get sound energy from?
Loudspeakers
Anything noisy
What has kinetic energy?
Anything that is moving
Where is nuclear energy released?
From nuclear reactions
What happens with thermal energy?
Flows from hot objects to colder objects
What objects have gravitational potential energy?
Anything which can fall
What has elastic energy?
Springs
Elastic
Rubber bands
What has chemical energy?
Foods
Fuels
Batteries
What are potential and chemical energies forms of?
Stored energy
What does stored energy mean?
The energy is not obviously doing anything
It is waiting to happen
What is the conservation of energy principle?
Energy can be transferred from one to another
Stored or dissipated
Energy can not be created or destroyed
What does dissipated mean?
Energy is spread out and lost
When is energy useful?
When it can be converted from one to another
